28300251

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 44955648

約数和(自身を除く): 16655397

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 329, 371, 541, 987, 1113, 1623, 2491, 3787, 7473, 11361, 17437, 25427, 28673, 52311, 76281, 86019, 177989, 200711, 533967, 602133, 1347631, 4042893, 9433417, 28300251]

約数ペア:

[(1, 28300251), (3, 9433417), (7, 4042893), (21, 1347631), (47, 602133), (53, 533967), (141, 200711), (159, 177989), (329, 86019), (371, 76281), (541, 52311), (987, 28673), (1113, 25427), (1623, 17437), (2491, 11361), (3787, 7473)]