64213515

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 115210368

約数和(自身を除く): 50996853

約数列:

[1, 3, 5, 9, 15, 45, 47, 97, 141, 235, 291, 313, 423, 485, 705, 873, 939, 1455, 1565, 2115, 2817, 4365, 4559, 4695, 13677, 14085, 14711, 22795, 30361, 41031, 44133, 68385, 73555, 91083, 132399, 151805, 205155, 220665, 273249, 455415, 661995, 1366245, 1426967, 4280901, 7134835, 12842703, 21404505, 64213515]

約数ペア:

[(1, 64213515), (3, 21404505), (5, 12842703), (9, 7134835), (15, 4280901), (45, 1426967), (47, 1366245), (97, 661995), (141, 455415), (235, 273249), (291, 220665), (313, 205155), (423, 151805), (485, 132399), (705, 91083), (873, 73555), (939, 68385), (1455, 44133), (1565, 41031), (2115, 30361), (2817, 22795), (4365, 14711), (4559, 14085), (4695, 13677)]