25121187

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 45922240

約数和(自身を除く): 20801053

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 829, 1443, 2331, 2487, 3367, 4329, 5803, 7461, 10101, 10777, 17409, 30303, 30673, 32331, 52227, 75439, 92019, 96993, 214711, 226317, 276057, 398749, 644133, 678951, 1196247, 1932399, 2791243, 3588741, 8373729, 25121187]

約数ペア:

[(1, 25121187), (3, 8373729), (7, 3588741), (9, 2791243), (13, 1932399), (21, 1196247), (37, 678951), (39, 644133), (63, 398749), (91, 276057), (111, 226317), (117, 214711), (259, 96993), (273, 92019), (333, 75439), (481, 52227), (777, 32331), (819, 30673), (829, 30303), (1443, 17409), (2331, 10777), (2487, 10101), (3367, 7461), (4329, 5803)]