78976875

素因数分解:

$3^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 133619728

約数和(自身を除く): 54642853

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 577, 625, 1095, 1731, 1825, 1875, 2885, 5475, 8655, 9125, 14425, 27375, 42121, 43275, 45625, 72125, 126363, 136875, 210605, 216375, 360625, 631815, 1053025, 1081875, 3159075, 5265125, 15795375, 26325625, 78976875]

約数ペア:

[(1, 78976875), (3, 26325625), (5, 15795375), (15, 5265125), (25, 3159075), (73, 1081875), (75, 1053025), (125, 631815), (219, 360625), (365, 216375), (375, 210605), (577, 136875), (625, 126363), (1095, 72125), (1731, 45625), (1825, 43275), (1875, 42121), (2885, 27375), (5475, 14425), (8655, 9125)]