87800013

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2346

約数の個数: 36

約数和(自身を含む): 149252220

約数和(自身を除く): 61452207

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 2237, 4361, 5607, 6711, 13083, 15659, 20133, 39249, 46977, 109613, 140931, 199093, 328839, 597279, 986517, 1393651, 1791837, 4180953, 9755557, 12542859, 29266671, 87800013]

約数ペア:

[(1, 87800013), (3, 29266671), (7, 12542859), (9, 9755557), (21, 4180953), (49, 1791837), (63, 1393651), (89, 986517), (147, 597279), (267, 328839), (441, 199093), (623, 140931), (801, 109613), (1869, 46977), (2237, 39249), (4361, 20133), (5607, 15659), (6711, 13083)]