39975375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 73198944

約数和(自身を除く): 33223569

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 605, 825, 881, 1375, 1815, 2643, 3025, 4125, 4405, 9075, 9691, 13215, 15125, 22025, 29073, 45375, 48455, 66075, 106601, 110125, 145365, 242275, 319803, 330375, 533005, 726825, 1211375, 1599015, 2665025, 3634125, 7995075, 13325125, 39975375]

約数ペア:

[(1, 39975375), (3, 13325125), (5, 7995075), (11, 3634125), (15, 2665025), (25, 1599015), (33, 1211375), (55, 726825), (75, 533005), (121, 330375), (125, 319803), (165, 242275), (275, 145365), (363, 110125), (375, 106601), (605, 66075), (825, 48455), (881, 45375), (1375, 29073), (1815, 22025), (2643, 15125), (3025, 13215), (4125, 9691), (4405, 9075)]