214975761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4211}}^1$

素因数の和:4262

約数の個数: 64

約数和(自身を含む): 407586816

約数和(自身を除く): 192611055

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 357, 429, 561, 663, 1001, 1309, 1547, 2431, 3003, 3927, 4211, 4641, 7293, 12633, 17017, 29477, 46321, 51051, 54743, 71587, 88431, 138963, 164229, 214761, 324247, 383201, 501109, 602173, 787457, 930631, 972741, 1149603, 1503327, 1806519, 2362371, 2791893, 4215211, 5512199, 6514417, 10236941, 12645633, 16536597, 19543251, 30710823, 71658587, 214975761]

約数ペア:

[(1, 214975761), (3, 71658587), (7, 30710823), (11, 19543251), (13, 16536597), (17, 12645633), (21, 10236941), (33, 6514417), (39, 5512199), (51, 4215211), (77, 2791893), (91, 2362371), (119, 1806519), (143, 1503327), (187, 1149603), (221, 972741), (231, 930631), (273, 787457), (357, 602173), (429, 501109), (561, 383201), (663, 324247), (1001, 214761), (1309, 164229), (1547, 138963), (2431, 88431), (3003, 71587), (3927, 54743), (4211, 51051), (4641, 46321), (7293, 29477), (12633, 17017)]