40264209

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 63466920

約数和(自身を除く): 23202711

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 183, 261, 281, 549, 783, 843, 1647, 1769, 2349, 2529, 4941, 5307, 7587, 8149, 15921, 17141, 22761, 24447, 47763, 51423, 73341, 143289, 154269, 220023, 462807, 497089, 660069, 1388421, 1491267, 4473801, 13421403, 40264209]

約数ペア:

[(1, 40264209), (3, 13421403), (9, 4473801), (27, 1491267), (29, 1388421), (61, 660069), (81, 497089), (87, 462807), (183, 220023), (261, 154269), (281, 143289), (549, 73341), (783, 51423), (843, 47763), (1647, 24447), (1769, 22761), (2349, 17141), (2529, 15921), (4941, 8149), (5307, 7587)]