2578312107

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{733}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 4498421760

約数和(自身を除く): 1920109653

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 503, 733, 777, 999, 1509, 2199, 2331, 3521, 4527, 5131, 6597, 6993, 10563, 13581, 15393, 18611, 19791, 27121, 31689, 46179, 55833, 81363, 95067, 130277, 138537, 167499, 189847, 244089, 368699, 390831, 502497, 569541, 732267, 1106097, 1172493, 1708623, 2580893, 3318291, 3517479, 5125869, 7742679, 9954873, 13641863, 23228037, 40925589, 69684111, 95493041, 122776767, 286479123, 368330301, 859437369, 2578312107]

約数ペア:

[(1, 2578312107), (3, 859437369), (7, 368330301), (9, 286479123), (21, 122776767), (27, 95493041), (37, 69684111), (63, 40925589), (111, 23228037), (189, 13641863), (259, 9954873), (333, 7742679), (503, 5125869), (733, 3517479), (777, 3318291), (999, 2580893), (1509, 1708623), (2199, 1172493), (2331, 1106097), (3521, 732267), (4527, 569541), (5131, 502497), (6597, 390831), (6993, 368699), (10563, 244089), (13581, 189847), (15393, 167499), (18611, 138537), (19791, 130277), (27121, 95067), (31689, 81363), (46179, 55833)]