27820425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{12791}}^1$

素因数の和:12833

約数の個数: 24

約数和(自身を含む): 47586240

約数和(自身を除く): 19765815

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 12791, 38373, 63955, 191865, 319775, 370939, 959325, 1112817, 1854695, 5564085, 9273475, 27820425]

約数ペア:

[(1, 27820425), (3, 9273475), (5, 5564085), (15, 1854695), (25, 1112817), (29, 959325), (75, 370939), (87, 319775), (145, 191865), (435, 63955), (725, 38373), (2175, 12791)]