12917715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 21482496

約数和(自身を除く): 8564781

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 251, 365, 705, 753, 1095, 1255, 3431, 3765, 10293, 11797, 17155, 18323, 35391, 51465, 54969, 58985, 91615, 176955, 274845, 861181, 2583543, 4305905, 12917715]

約数ペア:

[(1, 12917715), (3, 4305905), (5, 2583543), (15, 861181), (47, 274845), (73, 176955), (141, 91615), (219, 58985), (235, 54969), (251, 51465), (365, 35391), (705, 18323), (753, 17155), (1095, 11797), (1255, 10293), (3431, 3765)]