16980975

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 34045440

約数和(自身を除く): 17064465

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2287, 2475, 6861, 7425, 11435, 20583, 25157, 34305, 57175, 61749, 75471, 102915, 125785, 171525, 226413, 308745, 377355, 514575, 628925, 679239, 1132065, 1543725, 1886775, 3396195, 5660325, 16980975]

約数ペア:

[(1, 16980975), (3, 5660325), (5, 3396195), (9, 1886775), (11, 1543725), (15, 1132065), (25, 679239), (27, 628925), (33, 514575), (45, 377355), (55, 308745), (75, 226413), (99, 171525), (135, 125785), (165, 102915), (225, 75471), (275, 61749), (297, 57175), (495, 34305), (675, 25157), (825, 20583), (1485, 11435), (2287, 7425), (2475, 6861)]