724304187

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2389}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 1145192400

約数和(自身を除く): 420888213

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 197, 513, 591, 1539, 1773, 2389, 3743, 5319, 7167, 11229, 15957, 21501, 33687, 45391, 64503, 101061, 136173, 193509, 303183, 408519, 470633, 1225557, 1411899, 3676671, 4235697, 8942027, 12707091, 26826081, 38121273, 80478243, 241434729, 724304187]

約数ペア:

[(1, 724304187), (3, 241434729), (9, 80478243), (19, 38121273), (27, 26826081), (57, 12707091), (81, 8942027), (171, 4235697), (197, 3676671), (513, 1411899), (591, 1225557), (1539, 470633), (1773, 408519), (2389, 303183), (3743, 193509), (5319, 136173), (7167, 101061), (11229, 64503), (15957, 45391), (21501, 33687)]