23820825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 48117952

約数和(自身を除く): 24297127

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 157, 175, 255, 289, 357, 425, 471, 525, 595, 785, 867, 1099, 1275, 1445, 1785, 2023, 2355, 2669, 2975, 3297, 3925, 4335, 5495, 6069, 7225, 8007, 8925, 10115, 11775, 13345, 16485, 18683, 21675, 27475, 30345, 40035, 45373, 50575, 56049, 66725, 82425, 93415, 136119, 151725, 200175, 226865, 280245, 317611, 467075, 680595, 952833, 1134325, 1401225, 1588055, 3402975, 4764165, 7940275, 23820825]

約数ペア:

[(1, 23820825), (3, 7940275), (5, 4764165), (7, 3402975), (15, 1588055), (17, 1401225), (21, 1134325), (25, 952833), (35, 680595), (51, 467075), (75, 317611), (85, 280245), (105, 226865), (119, 200175), (157, 151725), (175, 136119), (255, 93415), (289, 82425), (357, 66725), (425, 56049), (471, 50575), (525, 45373), (595, 40035), (785, 30345), (867, 27475), (1099, 21675), (1275, 18683), (1445, 16485), (1785, 13345), (2023, 11775), (2355, 10115), (2669, 8925), (2975, 8007), (3297, 7225), (3925, 6069), (4335, 5495)]