31727865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{563}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 58177728

約数和(自身を除く): 26449863

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 563, 663, 867, 1105, 1445, 1689, 2815, 3315, 3757, 4335, 7319, 8445, 9571, 11271, 18785, 21957, 28713, 36595, 47855, 56355, 109785, 124423, 143565, 162707, 373269, 488121, 622115, 813535, 1866345, 2115191, 2440605, 6345573, 10575955, 31727865]

約数ペア:

[(1, 31727865), (3, 10575955), (5, 6345573), (13, 2440605), (15, 2115191), (17, 1866345), (39, 813535), (51, 622115), (65, 488121), (85, 373269), (195, 162707), (221, 143565), (255, 124423), (289, 109785), (563, 56355), (663, 47855), (867, 36595), (1105, 28713), (1445, 21957), (1689, 18785), (2815, 11271), (3315, 9571), (3757, 8445), (4335, 7319)]