30990708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{40993}}^1$

素因数の和:41013

約数の個数: 48

約数和(自身を含む): 91826560

約数和(自身を除く): 60835852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 40993, 81986, 122979, 163972, 245958, 286951, 368937, 491916, 573902, 737874, 860853, 1106811, 1147804, 1475748, 1721706, 2213622, 2582559, 3443412, 4427244, 5165118, 7747677, 10330236, 15495354, 30990708]

約数ペア:

[(1, 30990708), (2, 15495354), (3, 10330236), (4, 7747677), (6, 5165118), (7, 4427244), (9, 3443412), (12, 2582559), (14, 2213622), (18, 1721706), (21, 1475748), (27, 1147804), (28, 1106811), (36, 860853), (42, 737874), (54, 573902), (63, 491916), (84, 368937), (108, 286951), (126, 245958), (189, 163972), (252, 122979), (378, 81986), (756, 40993)]