79130025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2081}}^1$

素因数の和:2123

約数の個数: 54

約数和(自身を含む): 153545418

約数和(自身を除く): 74415393

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 507, 585, 845, 975, 1521, 2081, 2535, 2925, 4225, 6243, 7605, 10405, 12675, 18729, 27053, 31215, 38025, 52025, 81159, 93645, 135265, 156075, 243477, 351689, 405795, 468225, 676325, 1055067, 1217385, 1758445, 2028975, 3165201, 5275335, 6086925, 8792225, 15826005, 26376675, 79130025]

約数ペア:

[(1, 79130025), (3, 26376675), (5, 15826005), (9, 8792225), (13, 6086925), (15, 5275335), (25, 3165201), (39, 2028975), (45, 1758445), (65, 1217385), (75, 1055067), (117, 676325), (169, 468225), (195, 405795), (225, 351689), (325, 243477), (507, 156075), (585, 135265), (845, 93645), (975, 81159), (1521, 52025), (2081, 38025), (2535, 31215), (2925, 27053), (4225, 18729), (6243, 12675), (7605, 10405)]