31380345

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 56125440

約数和(自身を除く): 24745095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1217, 1719, 2865, 3651, 5157, 6085, 8595, 10953, 18255, 25785, 32859, 54765, 164295, 232447, 697341, 1162235, 2092023, 3486705, 6276069, 10460115, 31380345]

約数ペア:

[(1, 31380345), (3, 10460115), (5, 6276069), (9, 3486705), (15, 2092023), (27, 1162235), (45, 697341), (135, 232447), (191, 164295), (573, 54765), (955, 32859), (1217, 25785), (1719, 18255), (2865, 10953), (3651, 8595), (5157, 6085)]