81123354

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20431

約数の個数: 48

約数和(自身を含む): 200432232

約数和(自身を除く): 119308878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20393, 40786, 61179, 122358, 183537, 265109, 346681, 367074, 530218, 693362, 795327, 1040043, 1590654, 2080086, 2385981, 3120129, 4506853, 4771962, 6240258, 9013706, 13520559, 27041118, 40561677, 81123354]

約数ペア:

[(1, 81123354), (2, 40561677), (3, 27041118), (6, 13520559), (9, 9013706), (13, 6240258), (17, 4771962), (18, 4506853), (26, 3120129), (34, 2385981), (39, 2080086), (51, 1590654), (78, 1040043), (102, 795327), (117, 693362), (153, 530218), (221, 367074), (234, 346681), (306, 265109), (442, 183537), (663, 122358), (1326, 61179), (1989, 40786), (3978, 20393)]