71620443

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 113691600

約数和(自身を除く): 42071157

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 173, 269, 513, 519, 807, 1539, 1557, 2421, 3287, 4671, 5111, 7263, 9861, 14013, 15333, 21789, 29583, 45999, 46537, 88749, 137997, 139611, 266247, 413991, 418833, 884203, 1256499, 2652609, 3769497, 7957827, 23873481, 71620443]

約数ペア:

[(1, 71620443), (3, 23873481), (9, 7957827), (19, 3769497), (27, 2652609), (57, 1256499), (81, 884203), (171, 418833), (173, 413991), (269, 266247), (513, 139611), (519, 137997), (807, 88749), (1539, 46537), (1557, 45999), (2421, 29583), (3287, 21789), (4671, 15333), (5111, 14013), (7263, 9861)]