138625425

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 271267360

約数和(自身を除く): 132641935

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 675, 855, 1201, 1215, 1425, 1539, 2025, 2565, 3603, 4275, 4617, 6005, 6075, 7695, 10809, 12825, 18015, 22819, 23085, 30025, 32427, 38475, 54045, 68457, 90075, 97281, 114095, 115425, 162135, 205371, 270225, 291843, 342285, 486405, 570475, 616113, 810675, 1026855, 1459215, 1711425, 1848339, 2432025, 3080565, 5134275, 5545017, 7296075, 9241695, 15402825, 27725085, 46208475, 138625425]

約数ペア:

[(1, 138625425), (3, 46208475), (5, 27725085), (9, 15402825), (15, 9241695), (19, 7296075), (25, 5545017), (27, 5134275), (45, 3080565), (57, 2432025), (75, 1848339), (81, 1711425), (95, 1459215), (135, 1026855), (171, 810675), (225, 616113), (243, 570475), (285, 486405), (405, 342285), (475, 291843), (513, 270225), (675, 205371), (855, 162135), (1201, 115425), (1215, 114095), (1425, 97281), (1539, 90075), (2025, 68457), (2565, 54045), (3603, 38475), (4275, 32427), (4617, 30025), (6005, 23085), (6075, 22819), (7695, 18015), (10809, 12825)]