7142499

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 14676480

約数和(自身を除く): 7533981

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, 741, 819, 969, 1053, 1071, 1197, 1377, 1539, 1547, 1701, 1729, 1989, 2223, 2261, 2457, 2907, 3159, 3213, 3591, 4131, 4199, 4617, 4641, 5187, 5967, 6669, 6783, 7371, 8721, 9639, 10773, 12597, 13923, 15561, 17901, 20007, 20349, 22113, 26163, 28917, 29393, 32319, 37791, 41769, 46683, 53703, 60021, 61047, 78489, 88179, 113373, 125307, 140049, 183141, 264537, 340119, 375921, 420147, 549423, 793611, 1020357, 2380833, 7142499]

約数ペア:

[(1, 7142499), (3, 2380833), (7, 1020357), (9, 793611), (13, 549423), (17, 420147), (19, 375921), (21, 340119), (27, 264537), (39, 183141), (51, 140049), (57, 125307), (63, 113373), (81, 88179), (91, 78489), (117, 61047), (119, 60021), (133, 53703), (153, 46683), (171, 41769), (189, 37791), (221, 32319), (243, 29393), (247, 28917), (273, 26163), (323, 22113), (351, 20349), (357, 20007), (399, 17901), (459, 15561), (513, 13923), (567, 12597), (663, 10773), (741, 9639), (819, 8721), (969, 7371), (1053, 6783), (1071, 6669), (1197, 5967), (1377, 5187), (1539, 4641), (1547, 4617), (1701, 4199), (1729, 4131), (1989, 3591), (2223, 3213), (2261, 3159), (2457, 2907)]