248373375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 430729728

約数和(自身を除く): 182356353

約数列:

[1, 3, 5, 15, 25, 43, 73, 75, 125, 129, 211, 215, 219, 365, 375, 633, 645, 1055, 1075, 1095, 1825, 3139, 3165, 3225, 5275, 5375, 5475, 9073, 9125, 9417, 15403, 15695, 15825, 16125, 26375, 27219, 27375, 45365, 46209, 47085, 77015, 78475, 79125, 136095, 226825, 231045, 235425, 385075, 392375, 662329, 680475, 1134125, 1155225, 1177125, 1925375, 1986987, 3311645, 3402375, 5776125, 9934935, 16558225, 49674675, 82791125, 248373375]

約数ペア:

[(1, 248373375), (3, 82791125), (5, 49674675), (15, 16558225), (25, 9934935), (43, 5776125), (73, 3402375), (75, 3311645), (125, 1986987), (129, 1925375), (211, 1177125), (215, 1155225), (219, 1134125), (365, 680475), (375, 662329), (633, 392375), (645, 385075), (1055, 235425), (1075, 231045), (1095, 226825), (1825, 136095), (3139, 79125), (3165, 78475), (3225, 77015), (5275, 47085), (5375, 46209), (5475, 45365), (9073, 27375), (9125, 27219), (9417, 26375), (15403, 16125), (15695, 15825)]