31815693

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 60641280

約数和(自身を除く): 28825587

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 117, 161, 189, 207, 273, 299, 351, 483, 563, 621, 819, 897, 1449, 1689, 2093, 2457, 2691, 3941, 4347, 5067, 6279, 7319, 8073, 11823, 12949, 15201, 18837, 21957, 35469, 38847, 51233, 56511, 65871, 90643, 106407, 116541, 153699, 168337, 197613, 271929, 349623, 461097, 505011, 815787, 1178359, 1383291, 1515033, 2447361, 3535077, 4545099, 10605231, 31815693]

約数ペア:

[(1, 31815693), (3, 10605231), (7, 4545099), (9, 3535077), (13, 2447361), (21, 1515033), (23, 1383291), (27, 1178359), (39, 815787), (63, 505011), (69, 461097), (91, 349623), (117, 271929), (161, 197613), (189, 168337), (207, 153699), (273, 116541), (299, 106407), (351, 90643), (483, 65871), (563, 56511), (621, 51233), (819, 38847), (897, 35469), (1449, 21957), (1689, 18837), (2093, 15201), (2457, 12949), (2691, 11823), (3941, 8073), (4347, 7319), (5067, 6279)]