28700529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 16659471

約数列:

[1, 3, 11, 13, 33, 39, 143, 149, 429, 447, 449, 1347, 1639, 1937, 4917, 4939, 5811, 5837, 14817, 17511, 21307, 63921, 64207, 66901, 192621, 200703, 735911, 869713, 2207733, 2609139, 9566843, 28700529]

約数ペア:

[(1, 28700529), (3, 9566843), (11, 2609139), (13, 2207733), (33, 869713), (39, 735911), (143, 200703), (149, 192621), (429, 66901), (447, 64207), (449, 63921), (1347, 21307), (1639, 17511), (1937, 14817), (4917, 5837), (4939, 5811)]