90142785

素因数分解:

$3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2063}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 156484224

約数和(自身を除く): 66341439

約数列:

[1, 3, 5, 9, 15, 45, 971, 2063, 2913, 4855, 6189, 8739, 10315, 14565, 18567, 30945, 43695, 92835, 2003173, 6009519, 10015865, 18028557, 30047595, 90142785]

約数ペア:

[(1, 90142785), (3, 30047595), (5, 18028557), (9, 10015865), (15, 6009519), (45, 2003173), (971, 92835), (2063, 43695), (2913, 30945), (4855, 18567), (6189, 14565), (8739, 10315)]