15999039

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 28967400

約数和(自身を除く): 12968361

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 139, 147, 189, 203, 261, 417, 441, 567, 609, 783, 973, 1251, 1323, 1421, 1827, 2349, 2919, 3753, 3969, 4031, 4263, 5481, 6811, 8757, 11259, 12093, 12789, 16443, 20433, 26271, 28217, 36279, 38367, 61299, 78813, 84651, 108837, 115101, 183897, 197519, 253953, 326511, 551691, 592557, 761859, 1777671, 2285577, 5333013, 15999039]

約数ペア:

[(1, 15999039), (3, 5333013), (7, 2285577), (9, 1777671), (21, 761859), (27, 592557), (29, 551691), (49, 326511), (63, 253953), (81, 197519), (87, 183897), (139, 115101), (147, 108837), (189, 84651), (203, 78813), (261, 61299), (417, 38367), (441, 36279), (567, 28217), (609, 26271), (783, 20433), (973, 16443), (1251, 12789), (1323, 12093), (1421, 11259), (1827, 8757), (2349, 6811), (2919, 5481), (3753, 4263), (3969, 4031)]