2931225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 5937120

約数和(自身を除く): 3005895

約数列:

[1, 3, 5, 11, 15, 17, 19, 25, 33, 51, 55, 57, 75, 85, 95, 121, 165, 187, 209, 255, 275, 285, 323, 363, 425, 475, 561, 605, 627, 825, 935, 969, 1045, 1275, 1425, 1615, 1815, 2057, 2299, 2805, 3025, 3135, 3553, 4675, 4845, 5225, 6171, 6897, 8075, 9075, 10285, 10659, 11495, 14025, 15675, 17765, 24225, 30855, 34485, 39083, 51425, 53295, 57475, 88825, 117249, 154275, 172425, 195415, 266475, 586245, 977075, 2931225]

約数ペア:

[(1, 2931225), (3, 977075), (5, 586245), (11, 266475), (15, 195415), (17, 172425), (19, 154275), (25, 117249), (33, 88825), (51, 57475), (55, 53295), (57, 51425), (75, 39083), (85, 34485), (95, 30855), (121, 24225), (165, 17765), (187, 15675), (209, 14025), (255, 11495), (275, 10659), (285, 10285), (323, 9075), (363, 8075), (425, 6897), (475, 6171), (561, 5225), (605, 4845), (627, 4675), (825, 3553), (935, 3135), (969, 3025), (1045, 2805), (1275, 2299), (1425, 2057), (1615, 1815)]