7870275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 17022720

約数和(自身を除く): 9152445

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 263, 285, 315, 399, 475, 525, 665, 789, 855, 1197, 1315, 1425, 1575, 1841, 1995, 2367, 3325, 3945, 4275, 4997, 5523, 5985, 6575, 9205, 9975, 11835, 14991, 16569, 19725, 24985, 27615, 29925, 34979, 44973, 46025, 59175, 74955, 82845, 104937, 124925, 138075, 174895, 224865, 314811, 374775, 414225, 524685, 874475, 1124325, 1574055, 2623425, 7870275]

約数ペア:

[(1, 7870275), (3, 2623425), (5, 1574055), (7, 1124325), (9, 874475), (15, 524685), (19, 414225), (21, 374775), (25, 314811), (35, 224865), (45, 174895), (57, 138075), (63, 124925), (75, 104937), (95, 82845), (105, 74955), (133, 59175), (171, 46025), (175, 44973), (225, 34979), (263, 29925), (285, 27615), (315, 24985), (399, 19725), (475, 16569), (525, 14991), (665, 11835), (789, 9975), (855, 9205), (1197, 6575), (1315, 5985), (1425, 5523), (1575, 4997), (1841, 4275), (1995, 3945), (2367, 3325)]