9121905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 8489871

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 503, 585, 1209, 1395, 1509, 2015, 2515, 3627, 4527, 6045, 6539, 7545, 15593, 18135, 19617, 22635, 32695, 46779, 58851, 77965, 98085, 140337, 202709, 233895, 294255, 608127, 701685, 1013545, 1824381, 3040635, 9121905]

約数ペア:

[(1, 9121905), (3, 3040635), (5, 1824381), (9, 1013545), (13, 701685), (15, 608127), (31, 294255), (39, 233895), (45, 202709), (65, 140337), (93, 98085), (117, 77965), (155, 58851), (195, 46779), (279, 32695), (403, 22635), (465, 19617), (503, 18135), (585, 15593), (1209, 7545), (1395, 6539), (1509, 6045), (2015, 4527), (2515, 3627)]