420298515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 902918016

約数和(自身を除く): 482619501

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 197, 273, 315, 455, 521, 585, 591, 819, 985, 1365, 1379, 1563, 1773, 2561, 2605, 2955, 3647, 4095, 4137, 4689, 6773, 6895, 7683, 7815, 8865, 10941, 12411, 12805, 17927, 18235, 20319, 20685, 23049, 23445, 32823, 33865, 38415, 47411, 53781, 54705, 60957, 62055, 89635, 101595, 102637, 115245, 142233, 161343, 164115, 237055, 268905, 304785, 307911, 426699, 513185, 711165, 718459, 806715, 923733, 1334281, 1539555, 2133495, 2155377, 3592295, 4002843, 4618665, 6466131, 6671405, 9339967, 10776885, 12008529, 20014215, 28019901, 32330655, 46699835, 60042645, 84059703, 140099505, 420298515]

約数ペア:

[(1, 420298515), (3, 140099505), (5, 84059703), (7, 60042645), (9, 46699835), (13, 32330655), (15, 28019901), (21, 20014215), (35, 12008529), (39, 10776885), (45, 9339967), (63, 6671405), (65, 6466131), (91, 4618665), (105, 4002843), (117, 3592295), (195, 2155377), (197, 2133495), (273, 1539555), (315, 1334281), (455, 923733), (521, 806715), (585, 718459), (591, 711165), (819, 513185), (985, 426699), (1365, 307911), (1379, 304785), (1563, 268905), (1773, 237055), (2561, 164115), (2605, 161343), (2955, 142233), (3647, 115245), (4095, 102637), (4137, 101595), (4689, 89635), (6773, 62055), (6895, 60957), (7683, 54705), (7815, 53781), (8865, 47411), (10941, 38415), (12411, 33865), (12805, 32823), (17927, 23445), (18235, 23049), (20319, 20685)]