287518329

素因数分解:

$3^7\times 7^2\times {\mathrm{2683}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 501800640

約数和(自身を除く): 214282311

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 2187, 2683, 3969, 5103, 8049, 11907, 15309, 18781, 24147, 35721, 56343, 72441, 107163, 131467, 169029, 217323, 394401, 507087, 651969, 1183203, 1521261, 1955907, 3549609, 4563783, 5867721, 10648827, 13691349, 31946481, 41074047, 95839443, 287518329]

約数ペア:

[(1, 287518329), (3, 95839443), (7, 41074047), (9, 31946481), (21, 13691349), (27, 10648827), (49, 5867721), (63, 4563783), (81, 3549609), (147, 1955907), (189, 1521261), (243, 1183203), (441, 651969), (567, 507087), (729, 394401), (1323, 217323), (1701, 169029), (2187, 131467), (2683, 107163), (3969, 72441), (5103, 56343), (8049, 35721), (11907, 24147), (15309, 18781)]