90898815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 171694080

約数和(自身を除く): 80795265

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 89, 105, 137, 213, 267, 355, 411, 445, 497, 623, 685, 959, 1065, 1335, 1491, 1869, 2055, 2485, 2877, 3115, 4795, 6319, 7455, 9345, 9727, 12193, 14385, 18957, 29181, 31595, 36579, 44233, 48635, 60965, 68089, 85351, 94785, 132699, 145905, 182895, 204267, 221165, 256053, 340445, 426755, 663495, 865703, 1021335, 1280265, 2597109, 4328515, 6059921, 12985545, 18179763, 30299605, 90898815]

約数ペア:

[(1, 90898815), (3, 30299605), (5, 18179763), (7, 12985545), (15, 6059921), (21, 4328515), (35, 2597109), (71, 1280265), (89, 1021335), (105, 865703), (137, 663495), (213, 426755), (267, 340445), (355, 256053), (411, 221165), (445, 204267), (497, 182895), (623, 145905), (685, 132699), (959, 94785), (1065, 85351), (1335, 68089), (1491, 60965), (1869, 48635), (2055, 44233), (2485, 36579), (2877, 31595), (3115, 29181), (4795, 18957), (6319, 14385), (7455, 12193), (9345, 9727)]