161441208

素因数分解:

$2^3\times 3^3\times {\mathrm{109}}^1\times {\mathrm{6857}}^1$

素因数の和:6981

約数の個数: 64

約数和(自身を含む): 452628000

約数和(自身を除く): 291186792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 109, 216, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2943, 3924, 5886, 6857, 7848, 11772, 13714, 20571, 23544, 27428, 41142, 54856, 61713, 82284, 123426, 164568, 185139, 246852, 370278, 493704, 740556, 747413, 1481112, 1494826, 2242239, 2989652, 4484478, 5979304, 6726717, 8968956, 13453434, 17937912, 20180151, 26906868, 40360302, 53813736, 80720604, 161441208]

約数ペア:

[(1, 161441208), (2, 80720604), (3, 53813736), (4, 40360302), (6, 26906868), (8, 20180151), (9, 17937912), (12, 13453434), (18, 8968956), (24, 6726717), (27, 5979304), (36, 4484478), (54, 2989652), (72, 2242239), (108, 1494826), (109, 1481112), (216, 747413), (218, 740556), (327, 493704), (436, 370278), (654, 246852), (872, 185139), (981, 164568), (1308, 123426), (1962, 82284), (2616, 61713), (2943, 54856), (3924, 41142), (5886, 27428), (6857, 23544), (7848, 20571), (11772, 13714)]