253201725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 520895232

約数和(自身を除く): 267693507

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 373, 431, 525, 1119, 1293, 1575, 1865, 2155, 2611, 3017, 3357, 3879, 5595, 6465, 7833, 9051, 9325, 10775, 13055, 15085, 16785, 19395, 23499, 27153, 27975, 32325, 39165, 45255, 65275, 75425, 83925, 96975, 117495, 135765, 160763, 195825, 226275, 482289, 587475, 678825, 803815, 1125341, 1446867, 2411445, 3376023, 4019075, 5626705, 7234335, 10128069, 12057225, 16880115, 28133525, 36171675, 50640345, 84400575, 253201725]

約数ペア:

[(1, 253201725), (3, 84400575), (5, 50640345), (7, 36171675), (9, 28133525), (15, 16880115), (21, 12057225), (25, 10128069), (35, 7234335), (45, 5626705), (63, 4019075), (75, 3376023), (105, 2411445), (175, 1446867), (225, 1125341), (315, 803815), (373, 678825), (431, 587475), (525, 482289), (1119, 226275), (1293, 195825), (1575, 160763), (1865, 135765), (2155, 117495), (2611, 96975), (3017, 83925), (3357, 75425), (3879, 65275), (5595, 45255), (6465, 39165), (7833, 32325), (9051, 27975), (9325, 27153), (10775, 23499), (13055, 19395), (15085, 16785)]