27149409

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 46904832

約数和(自身を除く): 19755423

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 173, 329, 371, 423, 477, 519, 987, 1113, 1211, 1557, 2491, 2961, 3339, 3633, 7473, 8131, 9169, 10899, 17437, 22419, 24393, 27507, 52311, 56917, 64183, 73179, 82521, 156933, 170751, 192549, 430943, 512253, 577647, 1292829, 3016601, 3878487, 9049803, 27149409]

約数ペア:

[(1, 27149409), (3, 9049803), (7, 3878487), (9, 3016601), (21, 1292829), (47, 577647), (53, 512253), (63, 430943), (141, 192549), (159, 170751), (173, 156933), (329, 82521), (371, 73179), (423, 64183), (477, 56917), (519, 52311), (987, 27507), (1113, 24393), (1211, 22419), (1557, 17437), (2491, 10899), (2961, 9169), (3339, 8131), (3633, 7473)]