201720993621

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3469}}^1\times {\mathrm{35051}}^1$

素因数の和:38609

約数の個数: 32

約数和(自身を含む): 311373926400

約数和(自身を除く): 109652932779

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 3469, 10407, 24283, 35051, 72849, 105153, 245357, 274051, 736071, 822153, 1918357, 2769029, 5755071, 8307087, 19383203, 58149609, 121591919, 364775757, 851143433, 2553430299, 9605761601, 28817284803, 67240331207, 201720993621]

約数ペア:

[(1, 201720993621), (3, 67240331207), (7, 28817284803), (21, 9605761601), (79, 2553430299), (237, 851143433), (553, 364775757), (1659, 121591919), (3469, 58149609), (10407, 19383203), (24283, 8307087), (35051, 5755071), (72849, 2769029), (105153, 1918357), (245357, 822153), (274051, 736071)]