1213502490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{6911}}^1$

素因数の和:8875

約数の個数: 48

約数和(自身を含む): 3157180416

約数和(自身を除く): 1943677926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1951, 3902, 5853, 6911, 9755, 11706, 13822, 17559, 19510, 20733, 29265, 34555, 35118, 41466, 58530, 62199, 69110, 87795, 103665, 124398, 175590, 207330, 310995, 621990, 13483361, 26966722, 40450083, 67416805, 80900166, 121350249, 134833610, 202250415, 242700498, 404500830, 606751245, 1213502490]

約数ペア:

[(1, 1213502490), (2, 606751245), (3, 404500830), (5, 242700498), (6, 202250415), (9, 134833610), (10, 121350249), (15, 80900166), (18, 67416805), (30, 40450083), (45, 26966722), (90, 13483361), (1951, 621990), (3902, 310995), (5853, 207330), (6911, 175590), (9755, 124398), (11706, 103665), (13822, 87795), (17559, 69110), (19510, 62199), (20733, 58530), (29265, 41466), (34555, 35118)]