750201975

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 1376054784

約数和(自身を除く): 625852809

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 151, 213, 225, 311, 355, 453, 639, 755, 933, 1065, 1359, 1555, 1775, 2265, 2799, 3195, 3775, 4665, 5325, 6795, 7775, 10721, 11325, 13995, 15975, 22081, 23325, 32163, 33975, 46961, 53605, 66243, 69975, 96489, 110405, 140883, 160815, 198729, 234805, 268025, 331215, 422649, 482445, 552025, 704415, 804075, 993645, 1174025, 1656075, 2113245, 2412225, 3334231, 3522075, 4968225, 10002693, 10566225, 16671155, 30008079, 50013465, 83355775, 150040395, 250067325, 750201975]

約数ペア:

[(1, 750201975), (3, 250067325), (5, 150040395), (9, 83355775), (15, 50013465), (25, 30008079), (45, 16671155), (71, 10566225), (75, 10002693), (151, 4968225), (213, 3522075), (225, 3334231), (311, 2412225), (355, 2113245), (453, 1656075), (639, 1174025), (755, 993645), (933, 804075), (1065, 704415), (1359, 552025), (1555, 482445), (1775, 422649), (2265, 331215), (2799, 268025), (3195, 234805), (3775, 198729), (4665, 160815), (5325, 140883), (6795, 110405), (7775, 96489), (10721, 69975), (11325, 66243), (13995, 53605), (15975, 46961), (22081, 33975), (23325, 32163)]