918611631

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 1591833600

約数和(自身を除く): 673221969

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 97, 189, 267, 291, 563, 623, 679, 801, 873, 1689, 1869, 2037, 2403, 2619, 3941, 5067, 5607, 6111, 8633, 11823, 15201, 16821, 18333, 25899, 35469, 50107, 54611, 60431, 77697, 106407, 150321, 163833, 181293, 233091, 350749, 382277, 450963, 491499, 543879, 1052247, 1146831, 1352889, 1474497, 1631637, 3156741, 3440493, 4860379, 9470223, 10321479, 14581137, 34022653, 43743411, 102067959, 131230233, 306203877, 918611631]

約数ペア:

[(1, 918611631), (3, 306203877), (7, 131230233), (9, 102067959), (21, 43743411), (27, 34022653), (63, 14581137), (89, 10321479), (97, 9470223), (189, 4860379), (267, 3440493), (291, 3156741), (563, 1631637), (623, 1474497), (679, 1352889), (801, 1146831), (873, 1052247), (1689, 543879), (1869, 491499), (2037, 450963), (2403, 382277), (2619, 350749), (3941, 233091), (5067, 181293), (5607, 163833), (6111, 150321), (8633, 106407), (11823, 77697), (15201, 60431), (16821, 54611), (18333, 50107), (25899, 35469)]