778813425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{266261}}^1$

素因数の和:266290

約数の個数: 36

約数和(自身を含む): 1502250204

約数和(自身を除く): 723436779

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 266261, 798783, 1331305, 2396349, 3461393, 3993915, 6656525, 10384179, 11981745, 17306965, 19969575, 31152537, 51920895, 59908725, 86534825, 155762685, 259604475, 778813425]

約数ペア:

[(1, 778813425), (3, 259604475), (5, 155762685), (9, 86534825), (13, 59908725), (15, 51920895), (25, 31152537), (39, 19969575), (45, 17306965), (65, 11981745), (75, 10384179), (117, 6656525), (195, 3993915), (225, 3461393), (325, 2396349), (585, 1331305), (975, 798783), (2925, 266261)]