397029285

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 714954240

約数和(自身を除く): 317924955

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 307, 435, 921, 991, 1305, 1535, 2763, 2973, 4605, 4955, 8903, 8919, 13815, 14865, 26709, 28739, 44515, 44595, 80127, 86217, 133545, 143695, 258651, 304237, 400635, 431085, 912711, 1293255, 1521185, 2738133, 4563555, 8822873, 13690665, 26468619, 44114365, 79405857, 132343095, 397029285]

約数ペア:

[(1, 397029285), (3, 132343095), (5, 79405857), (9, 44114365), (15, 26468619), (29, 13690665), (45, 8822873), (87, 4563555), (145, 2738133), (261, 1521185), (307, 1293255), (435, 912711), (921, 431085), (991, 400635), (1305, 304237), (1535, 258651), (2763, 143695), (2973, 133545), (4605, 86217), (4955, 80127), (8903, 44595), (8919, 44515), (13815, 28739), (14865, 26709)]