388950075

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{25801}}^1$

素因数の和:25884

約数の個数: 36

約数和(自身を含む): 707078008

約数和(自身を除く): 318127933

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1675, 3015, 5025, 15075, 25801, 77403, 129005, 232209, 387015, 645025, 1161045, 1728667, 1935075, 5186001, 5805225, 8643335, 15558003, 25930005, 43216675, 77790015, 129650025, 388950075]

約数ペア:

[(1, 388950075), (3, 129650025), (5, 77790015), (9, 43216675), (15, 25930005), (25, 15558003), (45, 8643335), (67, 5805225), (75, 5186001), (201, 1935075), (225, 1728667), (335, 1161045), (603, 645025), (1005, 387015), (1675, 232209), (3015, 129005), (5025, 77403), (15075, 25801)]