64128309

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 103524960

約数和(自身を除く): 39396651

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 307, 343, 609, 921, 1029, 1421, 2149, 2401, 4263, 6447, 7203, 8903, 9947, 15043, 26709, 29841, 45129, 62321, 69629, 105301, 186963, 208887, 315903, 436247, 737107, 1308741, 2211321, 3053729, 9161187, 21376103, 64128309]

約数ペア:

[(1, 64128309), (3, 21376103), (7, 9161187), (21, 3053729), (29, 2211321), (49, 1308741), (87, 737107), (147, 436247), (203, 315903), (307, 208887), (343, 186963), (609, 105301), (921, 69629), (1029, 62321), (1421, 45129), (2149, 29841), (2401, 26709), (4263, 15043), (6447, 9947), (7203, 8903)]