17431375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 24845184

約数和(自身を除く): 7413809

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 631, 1105, 1625, 2125, 3155, 5525, 8203, 10727, 15775, 27625, 41015, 53635, 78875, 139451, 205075, 268175, 697255, 1025375, 1340875, 3486275, 17431375]

約数ペア:

[(1, 17431375), (5, 3486275), (13, 1340875), (17, 1025375), (25, 697255), (65, 268175), (85, 205075), (125, 139451), (221, 78875), (325, 53635), (425, 41015), (631, 27625), (1105, 15775), (1625, 10727), (2125, 8203), (3155, 5525)]