2149031817

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{23131}}^1$

素因数の和:23211

約数の個数: 40

約数和(自身を含む): 3403549952

約数和(自身を除く): 1254518135

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 279, 333, 837, 999, 1147, 2511, 2997, 3441, 10323, 23131, 30969, 69393, 92907, 208179, 624537, 717061, 855847, 1873611, 2151183, 2567541, 6453549, 7702623, 19360647, 23107869, 26531257, 58081941, 69323607, 79593771, 238781313, 716343939, 2149031817]

約数ペア:

[(1, 2149031817), (3, 716343939), (9, 238781313), (27, 79593771), (31, 69323607), (37, 58081941), (81, 26531257), (93, 23107869), (111, 19360647), (279, 7702623), (333, 6453549), (837, 2567541), (999, 2151183), (1147, 1873611), (2511, 855847), (2997, 717061), (3441, 624537), (10323, 208179), (23131, 92907), (30969, 69393)]