18210075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 34164480

約数和(自身を除く): 15954405

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 983, 1235, 1425, 2949, 3705, 4915, 6175, 12779, 14745, 18525, 18677, 24575, 38337, 56031, 63895, 73725, 93385, 191685, 242801, 280155, 319475, 466925, 728403, 958425, 1214005, 1400775, 3642015, 6070025, 18210075]

約数ペア:

[(1, 18210075), (3, 6070025), (5, 3642015), (13, 1400775), (15, 1214005), (19, 958425), (25, 728403), (39, 466925), (57, 319475), (65, 280155), (75, 242801), (95, 191685), (195, 93385), (247, 73725), (285, 63895), (325, 56031), (475, 38337), (741, 24575), (975, 18677), (983, 18525), (1235, 14745), (1425, 12779), (2949, 6175), (3705, 4915)]