407745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 825552

約数和(自身を除く): 417807

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 41, 45, 51, 65, 85, 117, 123, 153, 195, 205, 221, 255, 369, 533, 585, 615, 663, 697, 765, 1105, 1599, 1845, 1989, 2091, 2665, 3315, 3485, 4797, 6273, 7995, 9061, 9945, 10455, 23985, 27183, 31365, 45305, 81549, 135915, 407745]

約数ペア:

[(1, 407745), (3, 135915), (5, 81549), (9, 45305), (13, 31365), (15, 27183), (17, 23985), (39, 10455), (41, 9945), (45, 9061), (51, 7995), (65, 6273), (85, 4797), (117, 3485), (123, 3315), (153, 2665), (195, 2091), (205, 1989), (221, 1845), (255, 1599), (369, 1105), (533, 765), (585, 697), (615, 663)]