23189751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 15729129

約数列:

[1, 3, 9, 13, 17, 39, 51, 89, 117, 131, 153, 221, 267, 393, 663, 801, 1157, 1179, 1513, 1703, 1989, 2227, 3471, 4539, 5109, 6681, 10413, 11659, 13617, 15327, 19669, 20043, 28951, 34977, 59007, 86853, 104931, 151567, 177021, 198203, 260559, 454701, 594609, 1364103, 1783827, 2576639, 7729917, 23189751]

約数ペア:

[(1, 23189751), (3, 7729917), (9, 2576639), (13, 1783827), (17, 1364103), (39, 594609), (51, 454701), (89, 260559), (117, 198203), (131, 177021), (153, 151567), (221, 104931), (267, 86853), (393, 59007), (663, 34977), (801, 28951), (1157, 20043), (1179, 19669), (1513, 15327), (1703, 13617), (1989, 11659), (2227, 10413), (3471, 6681), (4539, 5109)]