28901403

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 43175600

約数和(自身を除く): 14274197

約数列:

[1, 3, 9, 37, 111, 229, 333, 379, 687, 1137, 2061, 3411, 8473, 14023, 25419, 42069, 76257, 86791, 126207, 260373, 781119, 3211267, 9633801, 28901403]

約数ペア:

[(1, 28901403), (3, 9633801), (9, 3211267), (37, 781119), (111, 260373), (229, 126207), (333, 86791), (379, 76257), (687, 42069), (1137, 25419), (2061, 14023), (3411, 8473)]