12931875

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 90

約数和(自身を含む): 27006980

約数和(自身を除く): 14075105

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 121, 125, 165, 171, 209, 225, 275, 285, 363, 375, 475, 495, 605, 625, 627, 825, 855, 1045, 1089, 1125, 1375, 1425, 1815, 1875, 1881, 2299, 2375, 2475, 3025, 3135, 4125, 4275, 5225, 5445, 5625, 6875, 6897, 7125, 9075, 9405, 11495, 11875, 12375, 15125, 15675, 20625, 20691, 21375, 26125, 27225, 34485, 35625, 45375, 47025, 57475, 61875, 75625, 78375, 103455, 106875, 130625, 136125, 172425, 226875, 235125, 287375, 391875, 517275, 680625, 862125, 1175625, 1436875, 2586375, 4310625, 12931875]

約数ペア:

[(1, 12931875), (3, 4310625), (5, 2586375), (9, 1436875), (11, 1175625), (15, 862125), (19, 680625), (25, 517275), (33, 391875), (45, 287375), (55, 235125), (57, 226875), (75, 172425), (95, 136125), (99, 130625), (121, 106875), (125, 103455), (165, 78375), (171, 75625), (209, 61875), (225, 57475), (275, 47025), (285, 45375), (363, 35625), (375, 34485), (475, 27225), (495, 26125), (605, 21375), (625, 20691), (627, 20625), (825, 15675), (855, 15125), (1045, 12375), (1089, 11875), (1125, 11495), (1375, 9405), (1425, 9075), (1815, 7125), (1875, 6897), (1881, 6875), (2299, 5625), (2375, 5445), (2475, 5225), (3025, 4275), (3135, 4125)]