51138990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81173}}^1$

素因数の和:81193

約数の個数: 48

約数和(自身を含む): 151957728

約数和(自身を除く): 100818738

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81173, 162346, 243519, 405865, 487038, 568211, 730557, 811730, 1136422, 1217595, 1461114, 1704633, 2435190, 2841055, 3409266, 3652785, 5113899, 5682110, 7305570, 8523165, 10227798, 17046330, 25569495, 51138990]

約数ペア:

[(1, 51138990), (2, 25569495), (3, 17046330), (5, 10227798), (6, 8523165), (7, 7305570), (9, 5682110), (10, 5113899), (14, 3652785), (15, 3409266), (18, 2841055), (21, 2435190), (30, 1704633), (35, 1461114), (42, 1217595), (45, 1136422), (63, 811730), (70, 730557), (90, 568211), (105, 487038), (126, 405865), (210, 243519), (315, 162346), (630, 81173)]