40890555

素因数分解:

$3^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 72960000

約数和(自身を除く): 32069445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 499, 607, 1497, 1821, 2495, 3035, 4491, 5463, 7485, 9105, 13473, 16389, 22455, 27315, 67365, 81945, 302893, 908679, 1514465, 2726037, 4543395, 8178111, 13630185, 40890555]

約数ペア:

[(1, 40890555), (3, 13630185), (5, 8178111), (9, 4543395), (15, 2726037), (27, 1514465), (45, 908679), (135, 302893), (499, 81945), (607, 67365), (1497, 27315), (1821, 22455), (2495, 16389), (3035, 13473), (4491, 9105), (5463, 7485)]