72711925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:131

約数の個数: 54

約数和(自身を含む): 109267746

約数和(自身を除く): 36555821

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 121, 143, 215, 275, 325, 473, 559, 605, 715, 1075, 1573, 1849, 2365, 2795, 3025, 3575, 5203, 6149, 7865, 9245, 11825, 13975, 20339, 24037, 26015, 30745, 39325, 46225, 67639, 101695, 120185, 130075, 153725, 223729, 264407, 338195, 508475, 600925, 1118645, 1322035, 1690975, 2908477, 5593225, 6610175, 14542385, 72711925]

約数ペア:

[(1, 72711925), (5, 14542385), (11, 6610175), (13, 5593225), (25, 2908477), (43, 1690975), (55, 1322035), (65, 1118645), (121, 600925), (143, 508475), (215, 338195), (275, 264407), (325, 223729), (473, 153725), (559, 130075), (605, 120185), (715, 101695), (1075, 67639), (1573, 46225), (1849, 39325), (2365, 30745), (2795, 26015), (3025, 24037), (3575, 20339), (5203, 13975), (6149, 11825), (7865, 9245)]