15621705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 31536960

約数和(自身を除く): 15915255

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 151, 165, 171, 209, 285, 363, 453, 495, 605, 627, 755, 855, 1045, 1089, 1359, 1661, 1815, 1881, 2265, 2299, 2869, 3135, 4983, 5445, 6795, 6897, 8305, 8607, 9405, 11495, 14345, 14949, 18271, 20691, 24915, 25821, 31559, 34485, 43035, 54813, 74745, 91355, 94677, 103455, 129105, 157795, 164439, 274065, 284031, 347149, 473385, 822195, 1041447, 1420155, 1735745, 3124341, 5207235, 15621705]

約数ペア:

[(1, 15621705), (3, 5207235), (5, 3124341), (9, 1735745), (11, 1420155), (15, 1041447), (19, 822195), (33, 473385), (45, 347149), (55, 284031), (57, 274065), (95, 164439), (99, 157795), (121, 129105), (151, 103455), (165, 94677), (171, 91355), (209, 74745), (285, 54813), (363, 43035), (453, 34485), (495, 31559), (605, 25821), (627, 24915), (755, 20691), (855, 18271), (1045, 14949), (1089, 14345), (1359, 11495), (1661, 9405), (1815, 8607), (1881, 8305), (2265, 6897), (2299, 6795), (2869, 5445), (3135, 4983)]