17921145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6389}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 15204615

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6389, 19167, 31945, 70279, 95835, 108613, 210837, 325839, 351395, 543065, 1054185, 1194743, 1629195, 3584229, 5973715, 17921145]

約数ペア:

[(1, 17921145), (3, 5973715), (5, 3584229), (11, 1629195), (15, 1194743), (17, 1054185), (33, 543065), (51, 351395), (55, 325839), (85, 210837), (165, 108613), (187, 95835), (255, 70279), (561, 31945), (935, 19167), (2805, 6389)]