42638895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3169}}^1$

素因数の和:3216

約数の個数: 48

約数和(自身を含む): 83079360

約数和(自身を除く): 40440465

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 3169, 4485, 9507, 13455, 15845, 28521, 41197, 47535, 72887, 123591, 142605, 205985, 218661, 364435, 370773, 617955, 655983, 947531, 1093305, 1853865, 2842593, 3279915, 4737655, 8527779, 14212965, 42638895]

約数ペア:

[(1, 42638895), (3, 14212965), (5, 8527779), (9, 4737655), (13, 3279915), (15, 2842593), (23, 1853865), (39, 1093305), (45, 947531), (65, 655983), (69, 617955), (115, 370773), (117, 364435), (195, 218661), (207, 205985), (299, 142605), (345, 123591), (585, 72887), (897, 47535), (1035, 41197), (1495, 28521), (2691, 15845), (3169, 13455), (4485, 9507)]