17872179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 9545421

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 271, 741, 813, 1157, 1691, 3471, 3523, 5073, 5149, 10569, 15447, 21983, 24119, 65949, 66937, 72357, 200811, 313547, 458261, 940641, 1374783, 5957393, 17872179]

約数ペア:

[(1, 17872179), (3, 5957393), (13, 1374783), (19, 940641), (39, 458261), (57, 313547), (89, 200811), (247, 72357), (267, 66937), (271, 65949), (741, 24119), (813, 21983), (1157, 15447), (1691, 10569), (3471, 5149), (3523, 5073)]