1231398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 3163680

約数和(自身を除く): 1932282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 337, 406, 522, 609, 674, 1011, 1218, 1827, 2022, 2359, 3033, 3654, 4718, 6066, 7077, 9773, 14154, 19546, 21231, 29319, 42462, 58638, 68411, 87957, 136822, 175914, 205233, 410466, 615699, 1231398]

約数ペア:

[(1, 1231398), (2, 615699), (3, 410466), (6, 205233), (7, 175914), (9, 136822), (14, 87957), (18, 68411), (21, 58638), (29, 42462), (42, 29319), (58, 21231), (63, 19546), (87, 14154), (126, 9773), (174, 7077), (203, 6066), (261, 4718), (337, 3654), (406, 3033), (522, 2359), (609, 2022), (674, 1827), (1011, 1218)]