489392325

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 900395496

約数和(自身を除く): 411003171

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 181, 183, 197, 225, 305, 543, 549, 591, 905, 915, 985, 1525, 1629, 1773, 2715, 2745, 2955, 4525, 4575, 4925, 8145, 8865, 11041, 12017, 13575, 13725, 14775, 33123, 35657, 36051, 40725, 44325, 55205, 60085, 99369, 106971, 108153, 165615, 178285, 180255, 276025, 300425, 320913, 496845, 534855, 540765, 828075, 891425, 901275, 1604565, 2175077, 2484225, 2674275, 2703825, 6525231, 8022825, 10875385, 19575693, 32626155, 54376925, 97878465, 163130775, 489392325]

約数ペア:

[(1, 489392325), (3, 163130775), (5, 97878465), (9, 54376925), (15, 32626155), (25, 19575693), (45, 10875385), (61, 8022825), (75, 6525231), (181, 2703825), (183, 2674275), (197, 2484225), (225, 2175077), (305, 1604565), (543, 901275), (549, 891425), (591, 828075), (905, 540765), (915, 534855), (985, 496845), (1525, 320913), (1629, 300425), (1773, 276025), (2715, 180255), (2745, 178285), (2955, 165615), (4525, 108153), (4575, 106971), (4925, 99369), (8145, 60085), (8865, 55205), (11041, 44325), (12017, 40725), (13575, 36051), (13725, 35657), (14775, 33123)]