27697215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 27654081

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 103, 105, 195, 197, 273, 309, 455, 515, 591, 721, 985, 1339, 1365, 1379, 1545, 2163, 2561, 2955, 3605, 4017, 4137, 6695, 6895, 7683, 9373, 10815, 12805, 17927, 20085, 20291, 20685, 28119, 38415, 46865, 53781, 60873, 89635, 101455, 140595, 142037, 263783, 268905, 304365, 426111, 710185, 791349, 1318915, 1846481, 2130555, 3956745, 5539443, 9232405, 27697215]

約数ペア:

[(1, 27697215), (3, 9232405), (5, 5539443), (7, 3956745), (13, 2130555), (15, 1846481), (21, 1318915), (35, 791349), (39, 710185), (65, 426111), (91, 304365), (103, 268905), (105, 263783), (195, 142037), (197, 140595), (273, 101455), (309, 89635), (455, 60873), (515, 53781), (591, 46865), (721, 38415), (985, 28119), (1339, 20685), (1365, 20291), (1379, 20085), (1545, 17927), (2163, 12805), (2561, 10815), (2955, 9373), (3605, 7683), (4017, 6895), (4137, 6695)]