31955325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 56889216

約数和(自身を除く): 24933891

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 353, 355, 425, 1059, 1065, 1207, 1275, 1765, 1775, 3621, 5295, 5325, 6001, 6035, 8825, 18003, 18105, 25063, 26475, 30005, 30175, 75189, 90015, 90525, 125315, 150025, 375945, 426071, 450075, 626575, 1278213, 1879725, 2130355, 6391065, 10651775, 31955325]

約数ペア:

[(1, 31955325), (3, 10651775), (5, 6391065), (15, 2130355), (17, 1879725), (25, 1278213), (51, 626575), (71, 450075), (75, 426071), (85, 375945), (213, 150025), (255, 125315), (353, 90525), (355, 90015), (425, 75189), (1059, 30175), (1065, 30005), (1207, 26475), (1275, 25063), (1765, 18105), (1775, 18003), (3621, 8825), (5295, 6035), (5325, 6001)]