2774475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 5803200

約数和(自身を除く): 3028725

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 59, 75, 95, 99, 165, 171, 177, 209, 225, 275, 285, 295, 475, 495, 531, 627, 649, 825, 855, 885, 1045, 1121, 1425, 1475, 1881, 1947, 2475, 2655, 3135, 3245, 3363, 4275, 4425, 5225, 5605, 5841, 9405, 9735, 10089, 12331, 13275, 15675, 16225, 16815, 28025, 29205, 36993, 47025, 48675, 50445, 61655, 84075, 110979, 146025, 184965, 252225, 308275, 554895, 924825, 2774475]

約数ペア:

[(1, 2774475), (3, 924825), (5, 554895), (9, 308275), (11, 252225), (15, 184965), (19, 146025), (25, 110979), (33, 84075), (45, 61655), (55, 50445), (57, 48675), (59, 47025), (75, 36993), (95, 29205), (99, 28025), (165, 16815), (171, 16225), (177, 15675), (209, 13275), (225, 12331), (275, 10089), (285, 9735), (295, 9405), (475, 5841), (495, 5605), (531, 5225), (627, 4425), (649, 4275), (825, 3363), (855, 3245), (885, 3135), (1045, 2655), (1121, 2475), (1425, 1947), (1475, 1881)]