81928323

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 133735680

約数和(自身を除く): 51807357

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 111, 171, 207, 333, 437, 563, 703, 851, 1311, 1689, 2109, 2553, 3933, 5067, 6327, 7659, 10697, 12949, 16169, 20831, 32091, 38847, 48507, 62493, 96273, 116541, 145521, 187479, 246031, 395789, 479113, 738093, 1187367, 1437339, 2214279, 3562101, 4312017, 9103147, 27309441, 81928323]

約数ペア:

[(1, 81928323), (3, 27309441), (9, 9103147), (19, 4312017), (23, 3562101), (37, 2214279), (57, 1437339), (69, 1187367), (111, 738093), (171, 479113), (207, 395789), (333, 246031), (437, 187479), (563, 145521), (703, 116541), (851, 96273), (1311, 62493), (1689, 48507), (2109, 38847), (2553, 32091), (3933, 20831), (5067, 16169), (6327, 12949), (7659, 10697)]