634725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 1444352

約数和(自身を除く): 809627

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 31, 35, 39, 45, 63, 65, 75, 91, 93, 105, 117, 155, 175, 195, 217, 225, 273, 279, 315, 325, 403, 455, 465, 525, 585, 651, 775, 819, 975, 1085, 1209, 1365, 1395, 1575, 1953, 2015, 2275, 2325, 2821, 2925, 3255, 3627, 4095, 5425, 6045, 6825, 6975, 8463, 9765, 10075, 14105, 16275, 18135, 20475, 25389, 30225, 42315, 48825, 70525, 90675, 126945, 211575, 634725]

約数ペア:

[(1, 634725), (3, 211575), (5, 126945), (7, 90675), (9, 70525), (13, 48825), (15, 42315), (21, 30225), (25, 25389), (31, 20475), (35, 18135), (39, 16275), (45, 14105), (63, 10075), (65, 9765), (75, 8463), (91, 6975), (93, 6825), (105, 6045), (117, 5425), (155, 4095), (175, 3627), (195, 3255), (217, 2925), (225, 2821), (273, 2325), (279, 2275), (315, 2015), (325, 1953), (403, 1575), (455, 1395), (465, 1365), (525, 1209), (585, 1085), (651, 975), (775, 819)]