127990989

素因数分解:

$3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 223257600

約数和(自身を除く): 95266611

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 189, 267, 441, 623, 801, 1087, 1323, 1869, 2403, 3261, 4361, 5607, 7609, 9783, 13083, 16821, 22827, 29349, 39249, 53263, 68481, 96743, 117747, 159789, 205443, 290229, 479367, 677201, 870687, 1438101, 2031603, 2612061, 4740407, 6094809, 14221221, 18284427, 42663663, 127990989]

約数ペア:

[(1, 127990989), (3, 42663663), (7, 18284427), (9, 14221221), (21, 6094809), (27, 4740407), (49, 2612061), (63, 2031603), (89, 1438101), (147, 870687), (189, 677201), (267, 479367), (441, 290229), (623, 205443), (801, 159789), (1087, 117747), (1323, 96743), (1869, 68481), (2403, 53263), (3261, 39249), (4361, 29349), (5607, 22827), (7609, 16821), (9783, 13083)]