128869845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 222614784

約数和(自身を除く): 93744939

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 641, 1031, 1923, 3093, 3205, 5155, 8333, 9615, 13403, 15465, 24999, 40209, 41665, 67015, 124995, 201045, 660871, 1982613, 3304355, 8591323, 9913065, 25773969, 42956615, 128869845]

約数ペア:

[(1, 128869845), (3, 42956615), (5, 25773969), (13, 9913065), (15, 8591323), (39, 3304355), (65, 1982613), (195, 660871), (641, 201045), (1031, 124995), (1923, 67015), (3093, 41665), (3205, 40209), (5155, 24999), (8333, 15465), (9615, 13403)]