153657985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 211492512

約数和(自身を除く): 57834527

約数列:

[1, 5, 13, 17, 65, 85, 221, 241, 577, 1105, 1205, 2885, 3133, 4097, 7501, 9809, 15665, 20485, 37505, 49045, 53261, 127517, 139057, 266305, 637585, 695285, 1807741, 2363969, 9038705, 11819845, 30731597, 153657985]

約数ペア:

[(1, 153657985), (5, 30731597), (13, 11819845), (17, 9038705), (65, 2363969), (85, 1807741), (221, 695285), (241, 637585), (577, 266305), (1105, 139057), (1205, 127517), (2885, 53261), (3133, 49045), (4097, 37505), (7501, 20485), (9809, 15665)]