215535411

素因数分解:

$3^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 108

約数和(自身を含む): 419935152

約数和(自身を除く): 204399741

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 243, 247, 273, 351, 361, 399, 513, 567, 729, 741, 819, 1053, 1083, 1197, 1539, 1701, 1729, 2187, 2223, 2457, 2527, 3159, 3249, 3591, 4617, 4693, 5103, 5187, 6561, 6669, 7371, 7581, 9477, 9747, 10773, 13851, 14079, 15309, 15561, 20007, 22113, 22743, 28431, 29241, 32319, 32851, 41553, 42237, 45927, 46683, 60021, 66339, 68229, 85293, 87723, 96957, 98553, 124659, 126711, 140049, 180063, 199017, 204687, 263169, 290871, 295659, 380133, 420147, 540189, 597051, 614061, 789507, 872613, 886977, 1140399, 1260441, 1620567, 1842183, 2368521, 2660931, 3421197, 3781323, 5526549, 7982793, 10263591, 11343969, 16579647, 23948379, 30790773, 71845137, 215535411]

約数ペア:

[(1, 215535411), (3, 71845137), (7, 30790773), (9, 23948379), (13, 16579647), (19, 11343969), (21, 10263591), (27, 7982793), (39, 5526549), (57, 3781323), (63, 3421197), (81, 2660931), (91, 2368521), (117, 1842183), (133, 1620567), (171, 1260441), (189, 1140399), (243, 886977), (247, 872613), (273, 789507), (351, 614061), (361, 597051), (399, 540189), (513, 420147), (567, 380133), (729, 295659), (741, 290871), (819, 263169), (1053, 204687), (1083, 199017), (1197, 180063), (1539, 140049), (1701, 126711), (1729, 124659), (2187, 98553), (2223, 96957), (2457, 87723), (2527, 85293), (3159, 68229), (3249, 66339), (3591, 60021), (4617, 46683), (4693, 45927), (5103, 42237), (5187, 41553), (6561, 32851), (6669, 32319), (7371, 29241), (7581, 28431), (9477, 22743), (9747, 22113), (10773, 20007), (13851, 15561), (14079, 15309)]