221546625

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 383325696

約数和(自身を除く): 161779071

約数列:

[1, 3, 5, 15, 25, 53, 71, 75, 125, 157, 159, 213, 265, 355, 375, 471, 785, 795, 1065, 1325, 1775, 2355, 3763, 3925, 3975, 5325, 6625, 8321, 8875, 11147, 11289, 11775, 18815, 19625, 19875, 24963, 26625, 33441, 41605, 55735, 56445, 58875, 94075, 124815, 167205, 208025, 278675, 282225, 470375, 590791, 624075, 836025, 1040125, 1393375, 1411125, 1772373, 2953955, 3120375, 4180125, 8861865, 14769775, 44309325, 73848875, 221546625]

約数ペア:

[(1, 221546625), (3, 73848875), (5, 44309325), (15, 14769775), (25, 8861865), (53, 4180125), (71, 3120375), (75, 2953955), (125, 1772373), (157, 1411125), (159, 1393375), (213, 1040125), (265, 836025), (355, 624075), (375, 590791), (471, 470375), (785, 282225), (795, 278675), (1065, 208025), (1325, 167205), (1775, 124815), (2355, 94075), (3763, 58875), (3925, 56445), (3975, 55735), (5325, 41605), (6625, 33441), (8321, 26625), (8875, 24963), (11147, 19875), (11289, 19625), (11775, 18815)]