12845637

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 9618363

約数列:

[1, 3, 7, 9, 21, 29, 63, 79, 87, 89, 203, 237, 261, 267, 553, 609, 623, 711, 801, 1659, 1827, 1869, 2291, 2581, 4977, 5607, 6873, 7031, 7743, 16037, 18067, 20619, 21093, 23229, 48111, 49217, 54201, 63279, 144333, 147651, 162603, 203899, 442953, 611697, 1427293, 1835091, 4281879, 12845637]

約数ペア:

[(1, 12845637), (3, 4281879), (7, 1835091), (9, 1427293), (21, 611697), (29, 442953), (63, 203899), (79, 162603), (87, 147651), (89, 144333), (203, 63279), (237, 54201), (261, 49217), (267, 48111), (553, 23229), (609, 21093), (623, 20619), (711, 18067), (801, 16037), (1659, 7743), (1827, 7031), (1869, 6873), (2291, 5607), (2581, 4977)]