291233019

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 495106560

約数和(自身を除く): 203873541

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 389, 463, 539, 1167, 1389, 1617, 2723, 3241, 4279, 5093, 8169, 9723, 12837, 15279, 19061, 22687, 29953, 35651, 57183, 68061, 89859, 106953, 180107, 209671, 249557, 540321, 629013, 748671, 1260749, 1981177, 3782247, 5943531, 8825243, 13868239, 26475729, 41604717, 97077673, 291233019]

約数ペア:

[(1, 291233019), (3, 97077673), (7, 41604717), (11, 26475729), (21, 13868239), (33, 8825243), (49, 5943531), (77, 3782247), (147, 1981177), (231, 1260749), (389, 748671), (463, 629013), (539, 540321), (1167, 249557), (1389, 209671), (1617, 180107), (2723, 106953), (3241, 89859), (4279, 68061), (5093, 57183), (8169, 35651), (9723, 29953), (12837, 22687), (15279, 19061)]