81227406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2719}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 175472640

約数和(自身を除く): 94245234

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 383, 766, 1149, 2298, 2719, 4979, 5438, 8157, 9958, 14937, 16314, 29874, 35347, 70694, 106041, 212082, 1041377, 2082754, 3124131, 6248262, 13537901, 27075802, 40613703, 81227406]

約数ペア:

[(1, 81227406), (2, 40613703), (3, 27075802), (6, 13537901), (13, 6248262), (26, 3124131), (39, 2082754), (78, 1041377), (383, 212082), (766, 106041), (1149, 70694), (2298, 35347), (2719, 29874), (4979, 16314), (5438, 14937), (8157, 9958)]