29815731

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 50244480

約数和(自身を除く): 20428749

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 131, 171, 209, 363, 393, 627, 1089, 1179, 1331, 1441, 1881, 2299, 2489, 3993, 4323, 6897, 7467, 11979, 12969, 15851, 20691, 22401, 25289, 27379, 47553, 75867, 82137, 142659, 174361, 227601, 246411, 301169, 523083, 903507, 1569249, 2710521, 3312859, 9938577, 29815731]

約数ペア:

[(1, 29815731), (3, 9938577), (9, 3312859), (11, 2710521), (19, 1569249), (33, 903507), (57, 523083), (99, 301169), (121, 246411), (131, 227601), (171, 174361), (209, 142659), (363, 82137), (393, 75867), (627, 47553), (1089, 27379), (1179, 25289), (1331, 22401), (1441, 20691), (1881, 15851), (2299, 12969), (2489, 11979), (3993, 7467), (4323, 6897)]