998497227

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3527}}^1$

素因数の和:3628

約数の個数: 64

約数和(自身を含む): 1763887104

約数和(自身を除く): 765389877

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 61, 91, 119, 183, 221, 273, 357, 427, 663, 793, 1037, 1281, 1547, 2379, 3111, 3527, 4641, 5551, 7259, 10581, 13481, 16653, 21777, 24689, 40443, 45851, 59959, 74067, 94367, 137553, 179877, 215147, 283101, 320957, 419713, 645441, 779467, 962871, 1259139, 1506029, 2338401, 2796911, 3657499, 4518087, 5456269, 8390733, 10972497, 16368807, 19578377, 25602493, 47547487, 58735131, 76807479, 142642461, 332832409, 998497227]

約数ペア:

[(1, 998497227), (3, 332832409), (7, 142642461), (13, 76807479), (17, 58735131), (21, 47547487), (39, 25602493), (51, 19578377), (61, 16368807), (91, 10972497), (119, 8390733), (183, 5456269), (221, 4518087), (273, 3657499), (357, 2796911), (427, 2338401), (663, 1506029), (793, 1259139), (1037, 962871), (1281, 779467), (1547, 645441), (2379, 419713), (3111, 320957), (3527, 283101), (4641, 215147), (5551, 179877), (7259, 137553), (10581, 94367), (13481, 74067), (16653, 59959), (21777, 45851), (24689, 40443)]