64978821

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 102835200

約数和(自身を除く): 37856379

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 899, 2677, 2697, 8031, 8091, 24093, 24273, 72279, 77633, 82987, 232899, 248961, 698697, 746883, 2096091, 2240649, 2406623, 7219869, 21659607, 64978821]

約数ペア:

[(1, 64978821), (3, 21659607), (9, 7219869), (27, 2406623), (29, 2240649), (31, 2096091), (87, 746883), (93, 698697), (261, 248961), (279, 232899), (783, 82987), (837, 77633), (899, 72279), (2677, 24273), (2697, 24093), (8031, 8091)]