31420467

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 51592464

約数和(自身を除く): 20171997

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 351, 477, 563, 689, 1053, 1431, 1689, 2067, 4293, 5067, 6201, 7319, 15201, 18603, 21957, 29839, 45603, 55809, 65871, 89517, 197613, 268551, 387907, 592839, 805653, 1163721, 2416959, 3491163, 10473489, 31420467]

約数ペア:

[(1, 31420467), (3, 10473489), (9, 3491163), (13, 2416959), (27, 1163721), (39, 805653), (53, 592839), (81, 387907), (117, 268551), (159, 197613), (351, 89517), (477, 65871), (563, 55809), (689, 45603), (1053, 29839), (1431, 21957), (1689, 18603), (2067, 15201), (4293, 7319), (5067, 6201)]