513931725

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 952653312

約数和(自身を除く): 438721587

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 71, 75, 159, 213, 225, 265, 355, 477, 607, 639, 795, 1065, 1325, 1775, 1821, 2385, 3035, 3195, 3763, 3975, 5325, 5463, 9105, 11289, 11925, 15175, 15975, 18815, 27315, 32171, 33867, 43097, 45525, 56445, 94075, 96513, 129291, 136575, 160855, 169335, 215485, 282225, 289539, 387873, 482565, 646455, 804275, 846675, 1077425, 1447695, 1939365, 2284141, 2412825, 3232275, 6852423, 7238475, 9696825, 11420705, 20557269, 34262115, 57103525, 102786345, 171310575, 513931725]

約数ペア:

[(1, 513931725), (3, 171310575), (5, 102786345), (9, 57103525), (15, 34262115), (25, 20557269), (45, 11420705), (53, 9696825), (71, 7238475), (75, 6852423), (159, 3232275), (213, 2412825), (225, 2284141), (265, 1939365), (355, 1447695), (477, 1077425), (607, 846675), (639, 804275), (795, 646455), (1065, 482565), (1325, 387873), (1775, 289539), (1821, 282225), (2385, 215485), (3035, 169335), (3195, 160855), (3763, 136575), (3975, 129291), (5325, 96513), (5463, 94075), (9105, 56445), (11289, 45525), (11925, 43097), (15175, 33867), (15975, 32171), (18815, 27315)]