56887821

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 89856000

約数和(自身を除く): 32968179

約数列:

[1, 3, 9, 29, 31, 79, 87, 89, 93, 237, 261, 267, 279, 711, 801, 899, 2291, 2449, 2581, 2697, 2759, 6873, 7031, 7347, 7743, 8091, 8277, 20619, 21093, 22041, 23229, 24831, 63279, 71021, 80011, 203899, 213063, 217961, 240033, 611697, 639189, 653883, 720099, 1835091, 1961649, 6320869, 18962607, 56887821]

約数ペア:

[(1, 56887821), (3, 18962607), (9, 6320869), (29, 1961649), (31, 1835091), (79, 720099), (87, 653883), (89, 639189), (93, 611697), (237, 240033), (261, 217961), (267, 213063), (279, 203899), (711, 80011), (801, 71021), (899, 63279), (2291, 24831), (2449, 23229), (2581, 22041), (2697, 21093), (2759, 20619), (6873, 8277), (7031, 8091), (7347, 7743)]