201216981

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 335280384

約数和(自身を除く): 134063403

約数列:

[1, 3, 7, 17, 21, 49, 51, 73, 119, 147, 219, 357, 511, 833, 1103, 1241, 1533, 2499, 3309, 3577, 3723, 7721, 8687, 10731, 18751, 23163, 26061, 54047, 56253, 60809, 80519, 131257, 162141, 182427, 241557, 393771, 563633, 918799, 1368823, 1690899, 2756397, 3945431, 4106469, 9581761, 11836293, 28745283, 67072327, 201216981]

約数ペア:

[(1, 201216981), (3, 67072327), (7, 28745283), (17, 11836293), (21, 9581761), (49, 4106469), (51, 3945431), (73, 2756397), (119, 1690899), (147, 1368823), (219, 918799), (357, 563633), (511, 393771), (833, 241557), (1103, 182427), (1241, 162141), (1533, 131257), (2499, 80519), (3309, 60809), (3577, 56253), (3723, 54047), (7721, 26061), (8687, 23163), (10731, 18751)]