15661019205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{923137}}^1$

素因数の和:923190

約数の個数: 48

約数和(自身を含む): 30242000880

約数和(自身を除く): 14580981675

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1305, 1885, 3393, 5655, 16965, 923137, 2769411, 4615685, 8308233, 12000781, 13847055, 26770973, 36002343, 41541165, 60003905, 80312919, 108007029, 133854865, 180011715, 240938757, 348022649, 401564595, 540035145, 1044067947, 1204693785, 1740113245, 3132203841, 5220339735, 15661019205]

約数ペア:

[(1, 15661019205), (3, 5220339735), (5, 3132203841), (9, 1740113245), (13, 1204693785), (15, 1044067947), (29, 540035145), (39, 401564595), (45, 348022649), (65, 240938757), (87, 180011715), (117, 133854865), (145, 108007029), (195, 80312919), (261, 60003905), (377, 41541165), (435, 36002343), (585, 26770973), (1131, 13847055), (1305, 12000781), (1885, 8308233), (3393, 4615685), (5655, 2769411), (16965, 923137)]