27720355929

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 43794432000

約数和(自身を除く): 16074076071

約数列:

[1, 3, 7, 21, 47, 107, 141, 199, 321, 329, 597, 749, 987, 1319, 1393, 2247, 3957, 4179, 5029, 9233, 9353, 15087, 21293, 27699, 28059, 35203, 61993, 63879, 65471, 105609, 141133, 149051, 185979, 196413, 262481, 423399, 433951, 447153, 787443, 987931, 1000771, 1301853, 1837367, 2963793, 3002313, 5512101, 6633251, 7005397, 12336607, 19899753, 21016191, 28085467, 37009821, 46432757, 84256401, 86356249, 139298271, 196598269, 259068747, 589794807, 1320016949, 3960050847, 9240118643, 27720355929]

約数ペア:

[(1, 27720355929), (3, 9240118643), (7, 3960050847), (21, 1320016949), (47, 589794807), (107, 259068747), (141, 196598269), (199, 139298271), (321, 86356249), (329, 84256401), (597, 46432757), (749, 37009821), (987, 28085467), (1319, 21016191), (1393, 19899753), (2247, 12336607), (3957, 7005397), (4179, 6633251), (5029, 5512101), (9233, 3002313), (9353, 2963793), (15087, 1837367), (21293, 1301853), (27699, 1000771), (28059, 987931), (35203, 787443), (61993, 447153), (63879, 433951), (65471, 423399), (105609, 262481), (141133, 196413), (149051, 185979)]