1581228

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^4$

素因数の和:57

約数の個数: 60

約数和(自身を含む): 4509400

約数和(自身を除く): 2928172

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1331, 1452, 2178, 2662, 3267, 3993, 4356, 5324, 6534, 7986, 11979, 13068, 14641, 15972, 23958, 29282, 35937, 43923, 47916, 58564, 71874, 87846, 131769, 143748, 175692, 263538, 395307, 527076, 790614, 1581228]

約数ペア:

[(1, 1581228), (2, 790614), (3, 527076), (4, 395307), (6, 263538), (9, 175692), (11, 143748), (12, 131769), (18, 87846), (22, 71874), (27, 58564), (33, 47916), (36, 43923), (44, 35937), (54, 29282), (66, 23958), (99, 15972), (108, 14641), (121, 13068), (132, 11979), (198, 7986), (242, 6534), (297, 5324), (363, 4356), (396, 3993), (484, 3267), (594, 2662), (726, 2178), (1089, 1452), (1188, 1331)]