12421725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 22617600

約数和(自身を除く): 10195875

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 379, 437, 475, 575, 1137, 1311, 1425, 1725, 1895, 2185, 5685, 6555, 7201, 8717, 9475, 10925, 21603, 26151, 28425, 32775, 36005, 43585, 108015, 130755, 165623, 180025, 217925, 496869, 540075, 653775, 828115, 2484345, 4140575, 12421725]

約数ペア:

[(1, 12421725), (3, 4140575), (5, 2484345), (15, 828115), (19, 653775), (23, 540075), (25, 496869), (57, 217925), (69, 180025), (75, 165623), (95, 130755), (115, 108015), (285, 43585), (345, 36005), (379, 32775), (437, 28425), (475, 26151), (575, 21603), (1137, 10925), (1311, 9475), (1425, 8717), (1725, 7201), (1895, 6555), (2185, 5685)]