221494875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4485

約数の個数: 64

約数和(自身を含む): 443489280

約数和(自身を除く): 221994405

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 285, 375, 399, 475, 525, 665, 875, 1425, 1995, 2375, 2625, 3325, 4441, 7125, 9975, 13323, 16625, 22205, 31087, 49875, 66615, 84379, 93261, 111025, 155435, 253137, 333075, 421895, 466305, 555125, 590653, 777175, 1265685, 1665375, 1771959, 2109475, 2331525, 2953265, 3885875, 6328425, 8859795, 10547375, 11657625, 14766325, 31642125, 44298975, 73831625, 221494875]

約数ペア:

[(1, 221494875), (3, 73831625), (5, 44298975), (7, 31642125), (15, 14766325), (19, 11657625), (21, 10547375), (25, 8859795), (35, 6328425), (57, 3885875), (75, 2953265), (95, 2331525), (105, 2109475), (125, 1771959), (133, 1665375), (175, 1265685), (285, 777175), (375, 590653), (399, 555125), (475, 466305), (525, 421895), (665, 333075), (875, 253137), (1425, 155435), (1995, 111025), (2375, 93261), (2625, 84379), (3325, 66615), (4441, 49875), (7125, 31087), (9975, 22205), (13323, 16625)]