211672875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{13127}}^1$

素因数の和:13188

約数の個数: 32

約数和(自身を含む): 360442368

約数和(自身を除く): 148769493

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 3225, 5375, 13127, 16125, 39381, 65635, 196905, 328175, 564461, 984525, 1640875, 1693383, 2822305, 4922625, 8466915, 14111525, 42334575, 70557625, 211672875]

約数ペア:

[(1, 211672875), (3, 70557625), (5, 42334575), (15, 14111525), (25, 8466915), (43, 4922625), (75, 2822305), (125, 1693383), (129, 1640875), (215, 984525), (375, 564461), (645, 328175), (1075, 196905), (3225, 65635), (5375, 39381), (13127, 16125)]