231577775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 340061568

約数和(自身を除く): 108483793

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 211, 275, 307, 325, 715, 1055, 1535, 2321, 2743, 3377, 3575, 3991, 5275, 7675, 11605, 13715, 16885, 19955, 30173, 43901, 58025, 64777, 68575, 84425, 99775, 150865, 219505, 323885, 712547, 754325, 842101, 1097525, 1619425, 3562735, 4210505, 9263111, 17813675, 21052525, 46315555, 231577775]

約数ペア:

[(1, 231577775), (5, 46315555), (11, 21052525), (13, 17813675), (25, 9263111), (55, 4210505), (65, 3562735), (143, 1619425), (211, 1097525), (275, 842101), (307, 754325), (325, 712547), (715, 323885), (1055, 219505), (1535, 150865), (2321, 99775), (2743, 84425), (3377, 68575), (3575, 64777), (3991, 58025), (5275, 43901), (7675, 30173), (11605, 19955), (13715, 16885)]