31970457

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 49960416

約数和(自身を除く): 17989959

約数列:

[1, 3, 9, 27, 43, 67, 81, 129, 137, 201, 387, 411, 603, 1161, 1233, 1809, 2881, 3483, 3699, 5427, 5891, 8643, 9179, 11097, 17673, 25929, 27537, 53019, 77787, 82611, 159057, 233361, 247833, 394697, 477171, 743499, 1184091, 3552273, 10656819, 31970457]

約数ペア:

[(1, 31970457), (3, 10656819), (9, 3552273), (27, 1184091), (43, 743499), (67, 477171), (81, 394697), (129, 247833), (137, 233361), (201, 159057), (387, 82611), (411, 77787), (603, 53019), (1161, 27537), (1233, 25929), (1809, 17673), (2881, 11097), (3483, 9179), (3699, 8643), (5427, 5891)]