77776443

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 123797520

約数和(自身を除く): 46021077

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 171, 291, 513, 521, 873, 1539, 1563, 1843, 2619, 4689, 5529, 7857, 9899, 14067, 16587, 29697, 42201, 49761, 50537, 89091, 149283, 151611, 267273, 454833, 801819, 960203, 1364499, 2880609, 4093497, 8641827, 25925481, 77776443]

約数ペア:

[(1, 77776443), (3, 25925481), (9, 8641827), (19, 4093497), (27, 2880609), (57, 1364499), (81, 960203), (97, 801819), (171, 454833), (291, 267273), (513, 151611), (521, 149283), (873, 89091), (1539, 50537), (1563, 49761), (1843, 42201), (2619, 29697), (4689, 16587), (5529, 14067), (7857, 9899)]