289311687

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{8681}}^1$

素因数の和:8740

約数の個数: 36

約数和(自身を含む): 499319184

約数和(自身を除く): 210007497

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 1449, 1587, 3703, 4761, 8681, 11109, 26043, 33327, 60767, 78129, 182301, 199663, 546903, 598989, 1397641, 1796967, 4192923, 4592249, 12578769, 13776747, 32145743, 41330241, 96437229, 289311687]

約数ペア:

[(1, 289311687), (3, 96437229), (7, 41330241), (9, 32145743), (21, 13776747), (23, 12578769), (63, 4592249), (69, 4192923), (161, 1796967), (207, 1397641), (483, 598989), (529, 546903), (1449, 199663), (1587, 182301), (3703, 78129), (4761, 60767), (8681, 33327), (11109, 26043)]