28116747

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 43560000

約数和(自身を除く): 15443253

約数列:

[1, 3, 9, 27, 29, 87, 149, 241, 261, 447, 723, 783, 1341, 2169, 4023, 4321, 6507, 6989, 12963, 20967, 35909, 38889, 62901, 107727, 116667, 188703, 323181, 969543, 1041361, 3124083, 9372249, 28116747]

約数ペア:

[(1, 28116747), (3, 9372249), (9, 3124083), (27, 1041361), (29, 969543), (87, 323181), (149, 188703), (241, 116667), (261, 107727), (447, 62901), (723, 38889), (783, 35909), (1341, 20967), (2169, 12963), (4023, 6989), (4321, 6507)]