71221215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 132249600

約数和(自身を除く): 61028385

約数列:

[1, 3, 5, 13, 15, 19, 39, 47, 57, 65, 95, 141, 195, 235, 247, 285, 409, 611, 705, 741, 893, 1227, 1235, 1833, 2045, 2679, 3055, 3705, 4465, 5317, 6135, 7771, 9165, 11609, 13395, 15951, 19223, 23313, 26585, 34827, 38855, 57669, 58045, 79755, 96115, 101023, 116565, 174135, 249899, 288345, 303069, 365237, 505115, 749697, 1095711, 1249495, 1515345, 1826185, 3748485, 4748081, 5478555, 14244243, 23740405, 71221215]

約数ペア:

[(1, 71221215), (3, 23740405), (5, 14244243), (13, 5478555), (15, 4748081), (19, 3748485), (39, 1826185), (47, 1515345), (57, 1249495), (65, 1095711), (95, 749697), (141, 505115), (195, 365237), (235, 303069), (247, 288345), (285, 249899), (409, 174135), (611, 116565), (705, 101023), (741, 96115), (893, 79755), (1227, 58045), (1235, 57669), (1833, 38855), (2045, 34827), (2679, 26585), (3055, 23313), (3705, 19223), (4465, 15951), (5317, 13395), (6135, 11609), (7771, 9165)]