1971090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1$

素因数の和:216

約数の個数: 72

約数和(自身を含む): 5664204

約数和(自身を除く): 3693114

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 181, 198, 242, 330, 362, 363, 495, 543, 605, 726, 905, 990, 1086, 1089, 1210, 1629, 1810, 1815, 1991, 2178, 2715, 3258, 3630, 3982, 5430, 5445, 5973, 8145, 9955, 10890, 11946, 16290, 17919, 19910, 21901, 29865, 35838, 43802, 59730, 65703, 89595, 109505, 131406, 179190, 197109, 219010, 328515, 394218, 657030, 985545, 1971090]

約数ペア:

[(1, 1971090), (2, 985545), (3, 657030), (5, 394218), (6, 328515), (9, 219010), (10, 197109), (11, 179190), (15, 131406), (18, 109505), (22, 89595), (30, 65703), (33, 59730), (45, 43802), (55, 35838), (66, 29865), (90, 21901), (99, 19910), (110, 17919), (121, 16290), (165, 11946), (181, 10890), (198, 9955), (242, 8145), (330, 5973), (362, 5445), (363, 5430), (495, 3982), (543, 3630), (605, 3258), (726, 2715), (905, 2178), (990, 1991), (1086, 1815), (1089, 1810), (1210, 1629)]