312375

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{17}}^1$

素因数の和:49

約数の個数: 48

約数和(自身を含む): 640224

約数和(自身を除く): 327849

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 125, 147, 175, 245, 255, 357, 375, 425, 525, 595, 735, 833, 875, 1225, 1275, 1785, 2125, 2499, 2625, 2975, 3675, 4165, 6125, 6375, 8925, 12495, 14875, 18375, 20825, 44625, 62475, 104125, 312375]

約数ペア:

[(1, 312375), (3, 104125), (5, 62475), (7, 44625), (15, 20825), (17, 18375), (21, 14875), (25, 12495), (35, 8925), (49, 6375), (51, 6125), (75, 4165), (85, 3675), (105, 2975), (119, 2625), (125, 2499), (147, 2125), (175, 1785), (245, 1275), (255, 1225), (357, 875), (375, 833), (425, 735), (525, 595)]