71185455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 138977280

約数和(自身を除く): 67791825

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 4639, 5115, 13917, 15345, 23195, 41751, 51029, 69585, 143809, 153087, 208755, 255145, 431427, 459261, 719045, 765435, 1294281, 1581899, 2157135, 2296305, 4745697, 6471405, 7909495, 14237091, 23728485, 71185455]

約数ペア:

[(1, 71185455), (3, 23728485), (5, 14237091), (9, 7909495), (11, 6471405), (15, 4745697), (31, 2296305), (33, 2157135), (45, 1581899), (55, 1294281), (93, 765435), (99, 719045), (155, 459261), (165, 431427), (279, 255145), (341, 208755), (465, 153087), (495, 143809), (1023, 69585), (1395, 51029), (1705, 41751), (3069, 23195), (4639, 15345), (5115, 13917)]