123531275

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 186845184

約数和(自身を除く): 63313909

約数列:

[1, 5, 7, 23, 25, 35, 47, 115, 161, 175, 235, 329, 575, 653, 805, 1081, 1175, 1645, 3265, 4025, 4571, 5405, 7567, 8225, 15019, 16325, 22855, 27025, 30691, 37835, 75095, 105133, 114275, 153455, 189175, 214837, 375475, 525665, 705893, 767275, 1074185, 2628325, 3529465, 4941251, 5370925, 17647325, 24706255, 123531275]

約数ペア:

[(1, 123531275), (5, 24706255), (7, 17647325), (23, 5370925), (25, 4941251), (35, 3529465), (47, 2628325), (115, 1074185), (161, 767275), (175, 705893), (235, 525665), (329, 375475), (575, 214837), (653, 189175), (805, 153455), (1081, 114275), (1175, 105133), (1645, 75095), (3265, 37835), (4025, 30691), (4571, 27025), (5405, 22855), (7567, 16325), (8225, 15019)]