201317175

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 374403120

約数和(自身を除く): 173085945

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 139, 157, 205, 225, 369, 417, 471, 615, 695, 785, 1025, 1251, 1413, 1845, 2085, 2355, 3075, 3475, 3925, 5699, 6255, 6437, 7065, 9225, 10425, 11775, 17097, 19311, 21823, 28495, 31275, 32185, 35325, 51291, 57933, 65469, 85485, 96555, 109115, 142475, 160925, 196407, 256455, 289665, 327345, 427425, 482775, 545575, 894743, 982035, 1282275, 1448325, 1636725, 2684229, 4473715, 4910175, 8052687, 13421145, 22368575, 40263435, 67105725, 201317175]

約数ペア:

[(1, 201317175), (3, 67105725), (5, 40263435), (9, 22368575), (15, 13421145), (25, 8052687), (41, 4910175), (45, 4473715), (75, 2684229), (123, 1636725), (139, 1448325), (157, 1282275), (205, 982035), (225, 894743), (369, 545575), (417, 482775), (471, 427425), (615, 327345), (695, 289665), (785, 256455), (1025, 196407), (1251, 160925), (1413, 142475), (1845, 109115), (2085, 96555), (2355, 85485), (3075, 65469), (3475, 57933), (3925, 51291), (5699, 35325), (6255, 32185), (6437, 31275), (7065, 28495), (9225, 21823), (10425, 19311), (11775, 17097)]