686873601

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{14851}}^1$

素因数の和:15434

約数の個数: 20

約数和(自身を含む): 1027936624

約数和(自身を除く): 341063023

約数列:

[1, 3, 9, 27, 81, 571, 1713, 5139, 14851, 15417, 44553, 46251, 133659, 400977, 1202931, 8479921, 25439763, 76319289, 228957867, 686873601]

約数ペア:

[(1, 686873601), (3, 228957867), (9, 76319289), (27, 25439763), (81, 8479921), (571, 1202931), (1713, 400977), (5139, 133659), (14851, 46251), (15417, 44553)]