40378527

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 32197473

約数列:

[1, 3, 7, 9, 21, 27, 29, 53, 63, 87, 139, 159, 189, 203, 261, 371, 417, 477, 609, 783, 973, 1113, 1251, 1431, 1537, 1827, 2919, 3339, 3753, 4031, 4611, 5481, 7367, 8757, 10017, 10759, 12093, 13833, 22101, 26271, 28217, 32277, 36279, 41499, 51569, 66303, 84651, 96831, 108837, 154707, 198909, 213643, 253953, 290493, 464121, 640929, 761859, 1392363, 1495501, 1922787, 4486503, 5768361, 13459509, 40378527]

約数ペア:

[(1, 40378527), (3, 13459509), (7, 5768361), (9, 4486503), (21, 1922787), (27, 1495501), (29, 1392363), (53, 761859), (63, 640929), (87, 464121), (139, 290493), (159, 253953), (189, 213643), (203, 198909), (261, 154707), (371, 108837), (417, 96831), (477, 84651), (609, 66303), (783, 51569), (973, 41499), (1113, 36279), (1251, 32277), (1431, 28217), (1537, 26271), (1827, 22101), (2919, 13833), (3339, 12093), (3753, 10759), (4031, 10017), (4611, 8757), (5481, 7367)]