20131471809

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 32432784384

約数和(自身を除く): 12301312575

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 211, 243, 387, 397, 621, 633, 989, 1161, 1191, 1863, 1899, 2967, 3483, 3573, 4853, 5589, 5697, 8901, 9073, 9131, 10449, 10719, 14559, 17071, 17091, 26703, 27219, 27393, 32157, 43677, 51213, 51273, 80109, 81657, 82179, 83767, 96471, 131031, 153639, 208679, 240327, 244971, 246537, 251301, 392633, 393093, 460917, 626037, 734913, 739611, 753903, 1177899, 1179279, 1382751, 1878111, 1926641, 2204739, 2218833, 2261709, 3533697, 3601981, 4148253, 5634333, 5779923, 6785127, 10601091, 10805943, 16902999, 17339769, 20355381, 31803273, 32417829, 50708997, 52019307, 82845563, 95409819, 97253487, 156057921, 248536689, 291760461, 468173763, 745610067, 875281383, 2236830201, 6710490603, 20131471809]

約数ペア:

[(1, 20131471809), (3, 6710490603), (9, 2236830201), (23, 875281383), (27, 745610067), (43, 468173763), (69, 291760461), (81, 248536689), (129, 156057921), (207, 97253487), (211, 95409819), (243, 82845563), (387, 52019307), (397, 50708997), (621, 32417829), (633, 31803273), (989, 20355381), (1161, 17339769), (1191, 16902999), (1863, 10805943), (1899, 10601091), (2967, 6785127), (3483, 5779923), (3573, 5634333), (4853, 4148253), (5589, 3601981), (5697, 3533697), (8901, 2261709), (9073, 2218833), (9131, 2204739), (10449, 1926641), (10719, 1878111), (14559, 1382751), (17071, 1179279), (17091, 1177899), (26703, 753903), (27219, 739611), (27393, 734913), (32157, 626037), (43677, 460917), (51213, 393093), (51273, 392633), (80109, 251301), (81657, 246537), (82179, 244971), (83767, 240327), (96471, 208679), (131031, 153639)]