71127981

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 112320000

約数和(自身を除く): 41192019

約数列:

[1, 3, 9, 29, 31, 59, 87, 93, 149, 177, 261, 279, 447, 531, 899, 1341, 1711, 1829, 2697, 4321, 4619, 5133, 5487, 8091, 8791, 12963, 13857, 15399, 16461, 26373, 38889, 41571, 53041, 79119, 133951, 159123, 254939, 272521, 401853, 477369, 764817, 817563, 1205559, 2294451, 2452689, 7903109, 23709327, 71127981]

約数ペア:

[(1, 71127981), (3, 23709327), (9, 7903109), (29, 2452689), (31, 2294451), (59, 1205559), (87, 817563), (93, 764817), (149, 477369), (177, 401853), (261, 272521), (279, 254939), (447, 159123), (531, 133951), (899, 79119), (1341, 53041), (1711, 41571), (1829, 38889), (2697, 26373), (4321, 16461), (4619, 15399), (5133, 13857), (5487, 12963), (8091, 8791)]