420652359

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 689990400

約数和(自身を除く): 269338041

約数列:

[1, 3, 9, 23, 27, 43, 59, 69, 81, 89, 129, 177, 207, 267, 387, 531, 621, 801, 989, 1161, 1357, 1593, 1863, 2047, 2403, 2537, 2967, 3483, 3827, 4071, 4779, 5251, 6141, 7209, 7611, 8901, 11481, 12213, 15753, 18423, 22833, 26703, 34443, 36639, 47259, 55269, 58351, 68499, 80109, 88021, 103329, 109917, 120773, 141777, 165807, 175053, 205497, 225793, 264063, 309987, 362319, 425331, 525159, 677379, 792189, 1086957, 1575477, 2032137, 2376567, 3260871, 4726431, 5193239, 6096411, 7129701, 9782613, 15579717, 18289233, 46739151, 140217453, 420652359]

約数ペア:

[(1, 420652359), (3, 140217453), (9, 46739151), (23, 18289233), (27, 15579717), (43, 9782613), (59, 7129701), (69, 6096411), (81, 5193239), (89, 4726431), (129, 3260871), (177, 2376567), (207, 2032137), (267, 1575477), (387, 1086957), (531, 792189), (621, 677379), (801, 525159), (989, 425331), (1161, 362319), (1357, 309987), (1593, 264063), (1863, 225793), (2047, 205497), (2403, 175053), (2537, 165807), (2967, 141777), (3483, 120773), (3827, 109917), (4071, 103329), (4779, 88021), (5251, 80109), (6141, 68499), (7209, 58351), (7611, 55269), (8901, 47259), (11481, 36639), (12213, 34443), (15753, 26703), (18423, 22833)]