2251420731

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 3875343360

約数和(自身を除く): 1623922629

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 227, 291, 541, 679, 681, 873, 1589, 1623, 2037, 2043, 2619, 3787, 4767, 4869, 6111, 6129, 11361, 14301, 14607, 18333, 22019, 34083, 42903, 52477, 66057, 102249, 122807, 154133, 157431, 198171, 367339, 368421, 462399, 472293, 594513, 859649, 1102017, 1105263, 1387197, 1416879, 2578947, 3306051, 3315789, 4161591, 7736841, 9918153, 11912279, 23210523, 35736837, 83385953, 107210511, 250157859, 321631533, 750473577, 2251420731]

約数ペア:

[(1, 2251420731), (3, 750473577), (7, 321631533), (9, 250157859), (21, 107210511), (27, 83385953), (63, 35736837), (97, 23210523), (189, 11912279), (227, 9918153), (291, 7736841), (541, 4161591), (679, 3315789), (681, 3306051), (873, 2578947), (1589, 1416879), (1623, 1387197), (2037, 1105263), (2043, 1102017), (2619, 859649), (3787, 594513), (4767, 472293), (4869, 462399), (6111, 368421), (6129, 367339), (11361, 198171), (14301, 157431), (14607, 154133), (18333, 122807), (22019, 102249), (34083, 66057), (42903, 52477)]