255655455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 455562240

約数和(自身を除く): 199906785

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 121, 165, 237, 363, 395, 605, 869, 1185, 1783, 1815, 2607, 4345, 5349, 8915, 9559, 13035, 19613, 26745, 28677, 47795, 58839, 98065, 140857, 143385, 215743, 294195, 422571, 647229, 704285, 1078715, 1549427, 2112855, 3236145, 4648281, 7747135, 17043697, 23241405, 51131091, 85218485, 255655455]

約数ペア:

[(1, 255655455), (3, 85218485), (5, 51131091), (11, 23241405), (15, 17043697), (33, 7747135), (55, 4648281), (79, 3236145), (121, 2112855), (165, 1549427), (237, 1078715), (363, 704285), (395, 647229), (605, 422571), (869, 294195), (1185, 215743), (1783, 143385), (1815, 140857), (2607, 98065), (4345, 58839), (5349, 47795), (8915, 28677), (9559, 26745), (13035, 19613)]