11811975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 22617600

約数和(自身を除く): 10805625

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 149, 151, 175, 447, 453, 525, 745, 755, 1043, 1057, 2235, 2265, 3129, 3171, 3725, 3775, 5215, 5285, 11175, 11325, 15645, 15855, 22499, 26075, 26425, 67497, 78225, 79275, 112495, 157493, 337485, 472479, 562475, 787465, 1687425, 2362395, 3937325, 11811975]

約数ペア:

[(1, 11811975), (3, 3937325), (5, 2362395), (7, 1687425), (15, 787465), (21, 562475), (25, 472479), (35, 337485), (75, 157493), (105, 112495), (149, 79275), (151, 78225), (175, 67497), (447, 26425), (453, 26075), (525, 22499), (745, 15855), (755, 15645), (1043, 11325), (1057, 11175), (2235, 5285), (2265, 5215), (3129, 3775), (3171, 3725)]