28604625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 57687552

約数和(自身を除く): 29082927

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 641, 875, 1275, 1785, 1923, 2125, 2625, 2975, 3205, 4487, 6375, 8925, 9615, 10897, 13461, 14875, 16025, 22435, 32691, 44625, 48075, 54485, 67305, 76279, 80125, 112175, 163455, 228837, 240375, 272425, 336525, 381395, 560875, 817275, 1144185, 1362125, 1682625, 1906975, 4086375, 5720925, 9534875, 28604625]

約数ペア:

[(1, 28604625), (3, 9534875), (5, 5720925), (7, 4086375), (15, 1906975), (17, 1682625), (21, 1362125), (25, 1144185), (35, 817275), (51, 560875), (75, 381395), (85, 336525), (105, 272425), (119, 240375), (125, 228837), (175, 163455), (255, 112175), (357, 80125), (375, 76279), (425, 67305), (525, 54485), (595, 48075), (641, 44625), (875, 32691), (1275, 22435), (1785, 16025), (1923, 14875), (2125, 13461), (2625, 10897), (2975, 9615), (3205, 8925), (4487, 6375)]