28358925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 56424960

約数和(自身を除く): 28066035

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2843, 3325, 8529, 9975, 14215, 19901, 42645, 54017, 59703, 71075, 99505, 162051, 213225, 270085, 298515, 378119, 497525, 810255, 1134357, 1350425, 1492575, 1890595, 4051275, 5671785, 9452975, 28358925]

約数ペア:

[(1, 28358925), (3, 9452975), (5, 5671785), (7, 4051275), (15, 1890595), (19, 1492575), (21, 1350425), (25, 1134357), (35, 810255), (57, 497525), (75, 378119), (95, 298515), (105, 270085), (133, 213225), (175, 162051), (285, 99505), (399, 71075), (475, 59703), (525, 54017), (665, 42645), (1425, 19901), (1995, 14215), (2843, 9975), (3325, 8529)]