10920091

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 14336000

約数和(自身を除く): 3415909

約数列:

[1, 7, 13, 31, 49, 79, 91, 217, 343, 403, 553, 637, 1027, 1519, 2449, 2821, 3871, 4459, 7189, 10633, 17143, 19747, 27097, 31837, 50323, 120001, 138229, 222859, 352261, 840007, 1560013, 10920091]

約数ペア:

[(1, 10920091), (7, 1560013), (13, 840007), (31, 352261), (49, 222859), (79, 138229), (91, 120001), (217, 50323), (343, 31837), (403, 27097), (553, 19747), (637, 17143), (1027, 10633), (1519, 7189), (2449, 4459), (2821, 3871)]