279191475

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9619}}^1$

素因数の和:9681

約数の個数: 48

約数和(自身を含む): 524867200

約数和(自身を除く): 245675725

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 9619, 9675, 28857, 29025, 48095, 86571, 144285, 240475, 259713, 413617, 432855, 721425, 1240851, 1298565, 2068085, 2164275, 3722553, 6204255, 6492825, 10340425, 11167659, 18612765, 31021275, 55838295, 93063825, 279191475]

約数ペア:

[(1, 279191475), (3, 93063825), (5, 55838295), (9, 31021275), (15, 18612765), (25, 11167659), (27, 10340425), (43, 6492825), (45, 6204255), (75, 3722553), (129, 2164275), (135, 2068085), (215, 1298565), (225, 1240851), (387, 721425), (645, 432855), (675, 413617), (1075, 259713), (1161, 240475), (1935, 144285), (3225, 86571), (5805, 48095), (9619, 29025), (9675, 28857)]