81937155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{541}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 137364480

約数和(自身を除く): 55427325

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 439, 541, 1317, 1623, 2195, 2705, 6585, 8115, 10097, 12443, 30291, 37329, 50485, 62215, 151455, 186645, 237499, 712497, 1187495, 3562485, 5462477, 16387431, 27312385, 81937155]

約数ペア:

[(1, 81937155), (3, 27312385), (5, 16387431), (15, 5462477), (23, 3562485), (69, 1187495), (115, 712497), (345, 237499), (439, 186645), (541, 151455), (1317, 62215), (1623, 50485), (2195, 37329), (2705, 30291), (6585, 12443), (8115, 10097)]