199906005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 358525440

約数和(自身を除く): 158619435

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 103, 111, 185, 195, 269, 309, 481, 515, 555, 807, 1339, 1345, 1443, 1545, 2405, 3497, 3811, 4017, 4035, 6695, 7215, 9953, 10491, 11433, 17485, 19055, 20085, 27707, 29859, 49543, 49765, 52455, 57165, 83121, 129389, 138535, 148629, 149295, 247715, 360191, 388167, 415605, 646945, 743145, 1025159, 1080573, 1800955, 1940835, 3075477, 5125795, 5402865, 13327067, 15377385, 39981201, 66635335, 199906005]

約数ペア:

[(1, 199906005), (3, 66635335), (5, 39981201), (13, 15377385), (15, 13327067), (37, 5402865), (39, 5125795), (65, 3075477), (103, 1940835), (111, 1800955), (185, 1080573), (195, 1025159), (269, 743145), (309, 646945), (481, 415605), (515, 388167), (555, 360191), (807, 247715), (1339, 149295), (1345, 148629), (1443, 138535), (1545, 129389), (2405, 83121), (3497, 57165), (3811, 52455), (4017, 49765), (4035, 49543), (6695, 29859), (7215, 27707), (9953, 20085), (10491, 19055), (11433, 17485)]