18002925

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 33480000

約数和(自身を除く): 15477075

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 179, 225, 447, 537, 675, 745, 895, 1341, 1611, 2235, 2685, 3725, 4023, 4475, 4833, 6705, 8055, 11175, 13425, 20115, 24165, 26671, 33525, 40275, 80013, 100575, 120825, 133355, 240039, 400065, 666775, 720117, 1200195, 2000325, 3600585, 6000975, 18002925]

約数ペア:

[(1, 18002925), (3, 6000975), (5, 3600585), (9, 2000325), (15, 1200195), (25, 720117), (27, 666775), (45, 400065), (75, 240039), (135, 133355), (149, 120825), (179, 100575), (225, 80013), (447, 40275), (537, 33525), (675, 26671), (745, 24165), (895, 20115), (1341, 13425), (1611, 11175), (2235, 8055), (2685, 6705), (3725, 4833), (4023, 4475)]