16996948941

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{641}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 26908531200

約数和(自身を除く): 9911582259

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 353, 511, 641, 1029, 1059, 1533, 1923, 2471, 3577, 4487, 7413, 10731, 13461, 17297, 25039, 25769, 31409, 46793, 51891, 75117, 77307, 94227, 121079, 140379, 180383, 219863, 226273, 327551, 363237, 541149, 659589, 678819, 982653, 1262681, 1583911, 2292857, 3788043, 4751733, 6878571, 8838767, 11087377, 16049999, 16517929, 26516301, 33262131, 48149997, 49553787, 77611639, 115625503, 232834917, 346876509, 809378521, 2428135563, 5665649647, 16996948941]

約数ペア:

[(1, 16996948941), (3, 5665649647), (7, 2428135563), (21, 809378521), (49, 346876509), (73, 232834917), (147, 115625503), (219, 77611639), (343, 49553787), (353, 48149997), (511, 33262131), (641, 26516301), (1029, 16517929), (1059, 16049999), (1533, 11087377), (1923, 8838767), (2471, 6878571), (3577, 4751733), (4487, 3788043), (7413, 2292857), (10731, 1583911), (13461, 1262681), (17297, 982653), (25039, 678819), (25769, 659589), (31409, 541149), (46793, 363237), (51891, 327551), (75117, 226273), (77307, 219863), (94227, 180383), (121079, 140379)]