13421403

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 20980800

約数和(自身を除く): 7559397

約数列:

[1, 3, 9, 27, 29, 61, 87, 183, 261, 281, 549, 783, 843, 1647, 1769, 2529, 5307, 7587, 8149, 15921, 17141, 24447, 47763, 51423, 73341, 154269, 220023, 462807, 497089, 1491267, 4473801, 13421403]

約数ペア:

[(1, 13421403), (3, 4473801), (9, 1491267), (27, 497089), (29, 462807), (61, 220023), (87, 154269), (183, 73341), (261, 51423), (281, 47763), (549, 24447), (783, 17141), (843, 15921), (1647, 8149), (1769, 7587), (2529, 5307)]