71406405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 142057344

約数和(自身を除く): 70650939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 397, 571, 1191, 1713, 1985, 2779, 2855, 3573, 3997, 5139, 5955, 8337, 8565, 11991, 13895, 17865, 19985, 25011, 25695, 35973, 41685, 59955, 125055, 179865, 226687, 680061, 1133435, 1586809, 2040183, 3400305, 4760427, 7934045, 10200915, 14281281, 23802135, 71406405]

約数ペア:

[(1, 71406405), (3, 23802135), (5, 14281281), (7, 10200915), (9, 7934045), (15, 4760427), (21, 3400305), (35, 2040183), (45, 1586809), (63, 1133435), (105, 680061), (315, 226687), (397, 179865), (571, 125055), (1191, 59955), (1713, 41685), (1985, 35973), (2779, 25695), (2855, 25011), (3573, 19985), (3997, 17865), (5139, 13895), (5955, 11991), (8337, 8565)]