11720325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 20288384

約数和(自身を除く): 8568059

約数列:

[1, 3, 5, 15, 25, 31, 71, 75, 93, 155, 213, 355, 465, 775, 1065, 1775, 2201, 2325, 5041, 5325, 6603, 11005, 15123, 25205, 33015, 55025, 75615, 126025, 156271, 165075, 378075, 468813, 781355, 2344065, 3906775, 11720325]

約数ペア:

[(1, 11720325), (3, 3906775), (5, 2344065), (15, 781355), (25, 468813), (31, 378075), (71, 165075), (75, 156271), (93, 126025), (155, 75615), (213, 55025), (355, 33015), (465, 25205), (775, 15123), (1065, 11005), (1775, 6603), (2201, 5325), (2325, 5041)]