201721830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{395533}}^1$

素因数の和:395560

約数の個数: 32

約数和(自身を含む): 512612064

約数和(自身を除く): 310890234

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 395533, 791066, 1186599, 1977665, 2373198, 3955330, 5932995, 6724061, 11865990, 13448122, 20172183, 33620305, 40344366, 67240610, 100860915, 201721830]

約数ペア:

[(1, 201721830), (2, 100860915), (3, 67240610), (5, 40344366), (6, 33620305), (10, 20172183), (15, 13448122), (17, 11865990), (30, 6724061), (34, 5932995), (51, 3955330), (85, 2373198), (102, 1977665), (170, 1186599), (255, 791066), (510, 395533)]