628358415

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{1031}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 1031933952

約数和(自身を除く): 403575537

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 991, 1031, 2973, 3093, 4955, 5155, 14865, 15465, 40631, 42271, 121893, 126813, 203155, 211355, 609465, 634065, 1021721, 3065163, 5108605, 15325815, 41890561, 125671683, 209452805, 628358415]

約数ペア:

[(1, 628358415), (3, 209452805), (5, 125671683), (15, 41890561), (41, 15325815), (123, 5108605), (205, 3065163), (615, 1021721), (991, 634065), (1031, 609465), (2973, 211355), (3093, 203155), (4955, 126813), (5155, 121893), (14865, 42271), (15465, 40631)]