927668889

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 1616302080

約数和(自身を除く): 688633191

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 73, 189, 213, 219, 497, 511, 639, 657, 947, 1491, 1533, 1917, 1971, 2841, 4473, 4599, 5183, 6629, 8523, 13419, 13797, 15549, 19887, 25569, 36281, 46647, 59661, 67237, 69131, 108843, 139941, 178983, 201711, 207393, 326529, 470659, 483917, 605133, 622179, 979587, 1411977, 1451751, 1815399, 1866537, 4235931, 4355253, 4908301, 12707793, 13065759, 14724903, 34358107, 44174709, 103074321, 132524127, 309222963, 927668889]

約数ペア:

[(1, 927668889), (3, 309222963), (7, 132524127), (9, 103074321), (21, 44174709), (27, 34358107), (63, 14724903), (71, 13065759), (73, 12707793), (189, 4908301), (213, 4355253), (219, 4235931), (497, 1866537), (511, 1815399), (639, 1451751), (657, 1411977), (947, 979587), (1491, 622179), (1533, 605133), (1917, 483917), (1971, 470659), (2841, 326529), (4473, 207393), (4599, 201711), (5183, 178983), (6629, 139941), (8523, 108843), (13419, 69131), (13797, 67237), (15549, 59661), (19887, 46647), (25569, 36281)]