31259439

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 49251840

約数和(自身を除く): 17992401

約数列:

[1, 3, 9, 27, 31, 59, 81, 93, 177, 211, 279, 531, 633, 837, 1593, 1829, 1899, 2511, 4779, 5487, 5697, 6541, 12449, 16461, 17091, 19623, 37347, 49383, 58869, 112041, 148149, 176607, 336123, 385919, 529821, 1008369, 1157757, 3473271, 10419813, 31259439]

約数ペア:

[(1, 31259439), (3, 10419813), (9, 3473271), (27, 1157757), (31, 1008369), (59, 529821), (81, 385919), (93, 336123), (177, 176607), (211, 148149), (279, 112041), (531, 58869), (633, 49383), (837, 37347), (1593, 19623), (1829, 17091), (1899, 16461), (2511, 12449), (4779, 6541), (5487, 5697)]