42809403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 70705152

約数和(自身を除く): 27895749

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 821, 1337, 2463, 2483, 4011, 5747, 7449, 10673, 17241, 17381, 32019, 52143, 74711, 156811, 224133, 470433, 1097677, 2038543, 3293031, 6115629, 14269801, 42809403]

約数ペア:

[(1, 42809403), (3, 14269801), (7, 6115629), (13, 3293031), (21, 2038543), (39, 1097677), (91, 470433), (191, 224133), (273, 156811), (573, 74711), (821, 52143), (1337, 32019), (2463, 17381), (2483, 17241), (4011, 10673), (5747, 7449)]