12985545

素因数分解:

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

素因数の和:305

約数の個数: 32

約数和(自身を含む): 21461760

約数和(自身を除く): 8476215

約数列:

[1, 3, 5, 15, 71, 89, 137, 213, 267, 355, 411, 445, 685, 1065, 1335, 2055, 6319, 9727, 12193, 18957, 29181, 31595, 36579, 48635, 60965, 94785, 145905, 182895, 865703, 2597109, 4328515, 12985545]

約数ペア:

[(1, 12985545), (3, 4328515), (5, 2597109), (15, 865703), (71, 182895), (89, 145905), (137, 94785), (213, 60965), (267, 48635), (355, 36579), (411, 31595), (445, 29181), (685, 18957), (1065, 12193), (1335, 9727), (2055, 6319)]