331346015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 538030080

約数和(自身を除く): 206684065

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 239, 277, 385, 455, 715, 1001, 1195, 1385, 1673, 1939, 2629, 3047, 3107, 3601, 5005, 8365, 9695, 13145, 15235, 15535, 18005, 18403, 21329, 21749, 25207, 34177, 39611, 66203, 92015, 106645, 108745, 126035, 170885, 198055, 239239, 277277, 331015, 463421, 728233, 860639, 1196195, 1386385, 2317105, 3641165, 4303195, 5097631, 6024473, 9467029, 25488155, 30122365, 47335145, 66269203, 331346015]

約数ペア:

[(1, 331346015), (5, 66269203), (7, 47335145), (11, 30122365), (13, 25488155), (35, 9467029), (55, 6024473), (65, 5097631), (77, 4303195), (91, 3641165), (143, 2317105), (239, 1386385), (277, 1196195), (385, 860639), (455, 728233), (715, 463421), (1001, 331015), (1195, 277277), (1385, 239239), (1673, 198055), (1939, 170885), (2629, 126035), (3047, 108745), (3107, 106645), (3601, 92015), (5005, 66203), (8365, 39611), (9695, 34177), (13145, 25207), (15235, 21749), (15535, 21329), (18005, 18403)]