393089355

素因数分解:

$3^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1993}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 706450272

約数和(自身を除く): 313360917

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 487, 1461, 1993, 2435, 4383, 5979, 7305, 9965, 13149, 17937, 21915, 29895, 39447, 53811, 65745, 89685, 161433, 197235, 269055, 807165, 970591, 2911773, 4852955, 8735319, 14558865, 26205957, 43676595, 78617871, 131029785, 393089355]

約数ペア:

[(1, 393089355), (3, 131029785), (5, 78617871), (9, 43676595), (15, 26205957), (27, 14558865), (45, 8735319), (81, 4852955), (135, 2911773), (405, 970591), (487, 807165), (1461, 269055), (1993, 197235), (2435, 161433), (4383, 89685), (5979, 65745), (7305, 53811), (9965, 39447), (13149, 29895), (17937, 21915)]