31151718

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 48101274

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 41, 51, 78, 82, 102, 117, 123, 153, 191, 221, 234, 246, 306, 369, 382, 442, 533, 573, 663, 697, 738, 1066, 1146, 1326, 1394, 1599, 1719, 1989, 2091, 2483, 3198, 3247, 3438, 3978, 4182, 4797, 4966, 6273, 6494, 7449, 7831, 9061, 9594, 9741, 12546, 14898, 15662, 18122, 19482, 22347, 23493, 27183, 29223, 42211, 44694, 46986, 54366, 58446, 70479, 81549, 84422, 101803, 126633, 133127, 140958, 163098, 203606, 253266, 266254, 305409, 379899, 399381, 610818, 759798, 798762, 916227, 1198143, 1730651, 1832454, 2396286, 3461302, 5191953, 10383906, 15575859, 31151718]

約数ペア:

[(1, 31151718), (2, 15575859), (3, 10383906), (6, 5191953), (9, 3461302), (13, 2396286), (17, 1832454), (18, 1730651), (26, 1198143), (34, 916227), (39, 798762), (41, 759798), (51, 610818), (78, 399381), (82, 379899), (102, 305409), (117, 266254), (123, 253266), (153, 203606), (191, 163098), (221, 140958), (234, 133127), (246, 126633), (306, 101803), (369, 84422), (382, 81549), (442, 70479), (533, 58446), (573, 54366), (663, 46986), (697, 44694), (738, 42211), (1066, 29223), (1146, 27183), (1326, 23493), (1394, 22347), (1599, 19482), (1719, 18122), (1989, 15662), (2091, 14898), (2483, 12546), (3198, 9741), (3247, 9594), (3438, 9061), (3978, 7831), (4182, 7449), (4797, 6494), (4966, 6273)]