23071905

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 20704095

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 93, 111, 135, 149, 155, 185, 279, 333, 447, 465, 555, 745, 837, 999, 1147, 1341, 1395, 1665, 2235, 3441, 4023, 4185, 4619, 4995, 5513, 5735, 6705, 10323, 13857, 16539, 17205, 20115, 23095, 27565, 30969, 41571, 49617, 51615, 69285, 82695, 124713, 148851, 154845, 170903, 207855, 248085, 512709, 623565, 744255, 854515, 1538127, 2563545, 4614381, 7690635, 23071905]

約数ペア:

[(1, 23071905), (3, 7690635), (5, 4614381), (9, 2563545), (15, 1538127), (27, 854515), (31, 744255), (37, 623565), (45, 512709), (93, 248085), (111, 207855), (135, 170903), (149, 154845), (155, 148851), (185, 124713), (279, 82695), (333, 69285), (447, 51615), (465, 49617), (555, 41571), (745, 30969), (837, 27565), (999, 23095), (1147, 20115), (1341, 17205), (1395, 16539), (1665, 13857), (2235, 10323), (3441, 6705), (4023, 5735), (4185, 5513), (4619, 4995)]