40386087

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 72376320

約数和(自身を除く): 31990233

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 93, 113, 183, 189, 217, 279, 339, 427, 549, 651, 791, 837, 1017, 1281, 1647, 1891, 1953, 2373, 3051, 3503, 3843, 5673, 5859, 6893, 7119, 10509, 11529, 13237, 17019, 20679, 21357, 24521, 31527, 39711, 48251, 51057, 62037, 73563, 94581, 119133, 144753, 186111, 213683, 220689, 357399, 434259, 641049, 662067, 1302777, 1495781, 1923147, 4487343, 5769441, 13462029, 40386087]

約数ペア:

[(1, 40386087), (3, 13462029), (7, 5769441), (9, 4487343), (21, 1923147), (27, 1495781), (31, 1302777), (61, 662067), (63, 641049), (93, 434259), (113, 357399), (183, 220689), (189, 213683), (217, 186111), (279, 144753), (339, 119133), (427, 94581), (549, 73563), (651, 62037), (791, 51057), (837, 48251), (1017, 39711), (1281, 31527), (1647, 24521), (1891, 21357), (1953, 20679), (2373, 17019), (3051, 13237), (3503, 11529), (3843, 10509), (5673, 7119), (5859, 6893)]