21764625

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 36581376

約数和(自身を除く): 14816751

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 457, 635, 1371, 1905, 2285, 3175, 6855, 9525, 11425, 15875, 34275, 47625, 57125, 58039, 171375, 174117, 290195, 870585, 1450975, 4352925, 7254875, 21764625]

約数ペア:

[(1, 21764625), (3, 7254875), (5, 4352925), (15, 1450975), (25, 870585), (75, 290195), (125, 174117), (127, 171375), (375, 58039), (381, 57125), (457, 47625), (635, 34275), (1371, 15875), (1905, 11425), (2285, 9525), (3175, 6855)]