2009090601

素因数分解:

$3^3\times 7^3\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 3486144000

約数和(自身を除く): 1477053399

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 401, 441, 541, 1029, 1203, 1323, 1623, 2807, 3087, 3609, 3787, 4869, 8421, 9261, 10827, 11361, 14607, 19649, 25263, 26509, 34083, 58947, 75789, 79527, 102249, 137543, 176841, 185563, 216941, 238581, 412629, 530523, 556689, 650823, 715743, 1237887, 1518587, 1670067, 1952469, 3713661, 4555761, 5010201, 5857407, 10630109, 13667283, 31890327, 41001849, 74410763, 95670981, 223232289, 287012943, 669696867, 2009090601]

約数ペア:

[(1, 2009090601), (3, 669696867), (7, 287012943), (9, 223232289), (21, 95670981), (27, 74410763), (49, 41001849), (63, 31890327), (147, 13667283), (189, 10630109), (343, 5857407), (401, 5010201), (441, 4555761), (541, 3713661), (1029, 1952469), (1203, 1670067), (1323, 1518587), (1623, 1237887), (2807, 715743), (3087, 650823), (3609, 556689), (3787, 530523), (4869, 412629), (8421, 238581), (9261, 216941), (10827, 185563), (11361, 176841), (14607, 137543), (19649, 102249), (25263, 79527), (26509, 75789), (34083, 58947)]