871408725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 1597876896

約数和(自身を除く): 726468171

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 131, 165, 275, 363, 393, 605, 655, 733, 825, 1441, 1815, 1965, 2199, 3025, 3275, 3665, 4323, 7205, 8063, 9075, 9825, 10995, 15851, 18325, 21615, 24189, 36025, 40315, 47553, 54975, 79255, 88693, 96023, 108075, 120945, 201575, 237765, 266079, 288069, 396275, 443465, 480115, 604725, 1056253, 1188825, 1330395, 1440345, 2217325, 2400575, 3168759, 5281265, 6651975, 7201725, 11618783, 15843795, 26406325, 34856349, 58093915, 79218975, 174281745, 290469575, 871408725]

約数ペア:

[(1, 871408725), (3, 290469575), (5, 174281745), (11, 79218975), (15, 58093915), (25, 34856349), (33, 26406325), (55, 15843795), (75, 11618783), (121, 7201725), (131, 6651975), (165, 5281265), (275, 3168759), (363, 2400575), (393, 2217325), (605, 1440345), (655, 1330395), (733, 1188825), (825, 1056253), (1441, 604725), (1815, 480115), (1965, 443465), (2199, 396275), (3025, 288069), (3275, 266079), (3665, 237765), (4323, 201575), (7205, 120945), (8063, 108075), (9075, 96023), (9825, 88693), (10995, 79255), (15851, 54975), (18325, 47553), (21615, 40315), (24189, 36025)]