28106715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 28341285

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 273, 295, 349, 413, 455, 767, 885, 1047, 1239, 1365, 1745, 2065, 2301, 2443, 3835, 4537, 5235, 5369, 6195, 7329, 11505, 12215, 13611, 16107, 20591, 22685, 26845, 31759, 36645, 61773, 68055, 80535, 95277, 102955, 144137, 158795, 267683, 308865, 432411, 476385, 720685, 803049, 1338415, 1873781, 2162055, 4015245, 5621343, 9368905, 28106715]

約数ペア:

[(1, 28106715), (3, 9368905), (5, 5621343), (7, 4015245), (13, 2162055), (15, 1873781), (21, 1338415), (35, 803049), (39, 720685), (59, 476385), (65, 432411), (91, 308865), (105, 267683), (177, 158795), (195, 144137), (273, 102955), (295, 95277), (349, 80535), (413, 68055), (455, 61773), (767, 36645), (885, 31759), (1047, 26845), (1239, 22685), (1365, 20591), (1745, 16107), (2065, 13611), (2301, 12215), (2443, 11505), (3835, 7329), (4537, 6195), (5235, 5369)]