31090935

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 54518400

約数和(自身を除く): 23427465

約数列:

[1, 3, 5, 15, 19, 43, 57, 59, 95, 129, 177, 215, 285, 295, 645, 817, 885, 1121, 1849, 2451, 2537, 3363, 4085, 5547, 5605, 7611, 9245, 12255, 12685, 16815, 27735, 35131, 38055, 48203, 105393, 109091, 144609, 175655, 241015, 327273, 526965, 545455, 723045, 1636365, 2072729, 6218187, 10363645, 31090935]

約数ペア:

[(1, 31090935), (3, 10363645), (5, 6218187), (15, 2072729), (19, 1636365), (43, 723045), (57, 545455), (59, 526965), (95, 327273), (129, 241015), (177, 175655), (215, 144609), (285, 109091), (295, 105393), (645, 48203), (817, 38055), (885, 35131), (1121, 27735), (1849, 16815), (2451, 12685), (2537, 12255), (3363, 9245), (4085, 7611), (5547, 5605)]