1620225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 3062800

約数和(自身を除く): 1442575

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 379, 475, 855, 1137, 1425, 1895, 3411, 4275, 5685, 7201, 9475, 17055, 21603, 28425, 36005, 64809, 85275, 108015, 180025, 324045, 540075, 1620225]

約数ペア:

[(1, 1620225), (3, 540075), (5, 324045), (9, 180025), (15, 108015), (19, 85275), (25, 64809), (45, 36005), (57, 28425), (75, 21603), (95, 17055), (171, 9475), (225, 7201), (285, 5685), (379, 4275), (475, 3411), (855, 1895), (1137, 1425)]