780454791

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 1265172480

約数和(自身を除く): 484717689

約数列:

[1, 3, 9, 23, 27, 31, 69, 71, 93, 207, 213, 279, 571, 621, 639, 713, 837, 1633, 1713, 1917, 2139, 2201, 4899, 5139, 6417, 6603, 13133, 14697, 15417, 17701, 19251, 19809, 39399, 40541, 44091, 50623, 53103, 59427, 118197, 121623, 151869, 159309, 354591, 364869, 407123, 455607, 477927, 932443, 1094607, 1221369, 1256771, 1366821, 2797329, 3664107, 3770313, 8391987, 10992321, 11310939, 25175961, 28905733, 33932817, 86717199, 260151597, 780454791]

約数ペア:

[(1, 780454791), (3, 260151597), (9, 86717199), (23, 33932817), (27, 28905733), (31, 25175961), (69, 11310939), (71, 10992321), (93, 8391987), (207, 3770313), (213, 3664107), (279, 2797329), (571, 1366821), (621, 1256771), (639, 1221369), (713, 1094607), (837, 932443), (1633, 477927), (1713, 455607), (1917, 407123), (2139, 364869), (2201, 354591), (4899, 159309), (5139, 151869), (6417, 121623), (6603, 118197), (13133, 59427), (14697, 53103), (15417, 50623), (17701, 44091), (19251, 40541), (19809, 39399)]