200445975

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 370884000

約数和(自身を除く): 170438025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 447, 675, 745, 1341, 1993, 2235, 3725, 4023, 5979, 6705, 9965, 11175, 17937, 20115, 29895, 33525, 49825, 53811, 89685, 100575, 149475, 269055, 296957, 448425, 890871, 1345275, 1484785, 2672613, 4454355, 7423925, 8017839, 13363065, 22271775, 40089195, 66815325, 200445975]

約数ペア:

[(1, 200445975), (3, 66815325), (5, 40089195), (9, 22271775), (15, 13363065), (25, 8017839), (27, 7423925), (45, 4454355), (75, 2672613), (135, 1484785), (149, 1345275), (225, 890871), (447, 448425), (675, 296957), (745, 269055), (1341, 149475), (1993, 100575), (2235, 89685), (3725, 53811), (4023, 49825), (5979, 33525), (6705, 29895), (9965, 20115), (11175, 17937)]