64282491

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 132249600

約数和(自身を除く): 67967109

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 27, 39, 51, 57, 63, 81, 91, 117, 119, 133, 153, 171, 189, 221, 243, 247, 273, 323, 351, 357, 399, 459, 513, 567, 663, 729, 741, 819, 969, 1053, 1071, 1197, 1377, 1539, 1547, 1701, 1729, 1989, 2187, 2223, 2261, 2457, 2907, 3159, 3213, 3591, 4131, 4199, 4617, 4641, 5103, 5187, 5967, 6669, 6783, 7371, 8721, 9477, 9639, 10773, 12393, 12597, 13851, 13923, 15309, 15561, 17901, 20007, 20349, 22113, 26163, 28431, 28917, 29393, 32319, 37179, 37791, 41553, 41769, 46683, 53703, 60021, 61047, 66339, 78489, 86751, 88179, 96957, 113373, 125307, 140049, 161109, 180063, 183141, 199017, 235467, 260253, 264537, 290871, 340119, 375921, 420147, 483327, 540189, 549423, 706401, 793611, 1020357, 1127763, 1260441, 1648269, 2380833, 3061071, 3383289, 3781323, 4944807, 7142499, 9183213, 21427497, 64282491]

約数ペア:

[(1, 64282491), (3, 21427497), (7, 9183213), (9, 7142499), (13, 4944807), (17, 3781323), (19, 3383289), (21, 3061071), (27, 2380833), (39, 1648269), (51, 1260441), (57, 1127763), (63, 1020357), (81, 793611), (91, 706401), (117, 549423), (119, 540189), (133, 483327), (153, 420147), (171, 375921), (189, 340119), (221, 290871), (243, 264537), (247, 260253), (273, 235467), (323, 199017), (351, 183141), (357, 180063), (399, 161109), (459, 140049), (513, 125307), (567, 113373), (663, 96957), (729, 88179), (741, 86751), (819, 78489), (969, 66339), (1053, 61047), (1071, 60021), (1197, 53703), (1377, 46683), (1539, 41769), (1547, 41553), (1701, 37791), (1729, 37179), (1989, 32319), (2187, 29393), (2223, 28917), (2261, 28431), (2457, 26163), (2907, 22113), (3159, 20349), (3213, 20007), (3591, 17901), (4131, 15561), (4199, 15309), (4617, 13923), (4641, 13851), (5103, 12597), (5187, 12393), (5967, 10773), (6669, 9639), (6783, 9477), (7371, 8721)]