81611595

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 154906752

約数和(自身を除く): 73295157

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2287, 2379, 2745, 3965, 6861, 7137, 11435, 11895, 20583, 29731, 34305, 35685, 89193, 102915, 139507, 148655, 267579, 418521, 445965, 697535, 1255563, 1337895, 1813591, 2092605, 5440773, 6277815, 9067955, 16322319, 27203865, 81611595]

約数ペア:

[(1, 81611595), (3, 27203865), (5, 16322319), (9, 9067955), (13, 6277815), (15, 5440773), (39, 2092605), (45, 1813591), (61, 1337895), (65, 1255563), (117, 697535), (183, 445965), (195, 418521), (305, 267579), (549, 148655), (585, 139507), (793, 102915), (915, 89193), (2287, 35685), (2379, 34305), (2745, 29731), (3965, 20583), (6861, 11895), (7137, 11435)]