61401825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 118385280

約数和(自身を除く): 56983455

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 75, 95, 159, 171, 225, 265, 271, 285, 475, 477, 795, 813, 855, 1007, 1325, 1355, 1425, 2385, 2439, 3021, 3975, 4065, 4275, 5035, 5149, 6775, 9063, 11925, 12195, 14363, 15105, 15447, 20325, 25175, 25745, 43089, 45315, 46341, 60975, 71815, 75525, 77235, 128725, 129267, 215445, 226575, 231705, 272897, 359075, 386175, 646335, 818691, 1077225, 1158525, 1364485, 2456073, 3231675, 4093455, 6822425, 12280365, 20467275, 61401825]

約数ペア:

[(1, 61401825), (3, 20467275), (5, 12280365), (9, 6822425), (15, 4093455), (19, 3231675), (25, 2456073), (45, 1364485), (53, 1158525), (57, 1077225), (75, 818691), (95, 646335), (159, 386175), (171, 359075), (225, 272897), (265, 231705), (271, 226575), (285, 215445), (475, 129267), (477, 128725), (795, 77235), (813, 75525), (855, 71815), (1007, 60975), (1325, 46341), (1355, 45315), (1425, 43089), (2385, 25745), (2439, 25175), (3021, 20325), (3975, 15447), (4065, 15105), (4275, 14363), (5035, 12195), (5149, 11925), (6775, 9063)]