17993985

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 11641215

約数列:

[1, 3, 5, 15, 83, 97, 149, 249, 291, 415, 447, 485, 745, 1245, 1455, 2235, 8051, 12367, 14453, 24153, 37101, 40255, 43359, 61835, 72265, 120765, 185505, 216795, 1199599, 3598797, 5997995, 17993985]

約数ペア:

[(1, 17993985), (3, 5997995), (5, 3598797), (15, 1199599), (83, 216795), (97, 185505), (149, 120765), (249, 72265), (291, 61835), (415, 43359), (447, 40255), (485, 37101), (745, 24153), (1245, 14453), (1455, 12367), (2235, 8051)]