318641625

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{16661}}^1$

素因数の和:16699

約数の個数: 48

約数和(自身を含む): 608229648

約数和(自身を除く): 289588023

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 2125, 3825, 6375, 16661, 19125, 49983, 83305, 149949, 249915, 283237, 416525, 749745, 849711, 1249575, 1416185, 2082625, 2549133, 3748725, 4248555, 6247875, 7080925, 12745665, 18743625, 21242775, 35404625, 63728325, 106213875, 318641625]

約数ペア:

[(1, 318641625), (3, 106213875), (5, 63728325), (9, 35404625), (15, 21242775), (17, 18743625), (25, 12745665), (45, 7080925), (51, 6247875), (75, 4248555), (85, 3748725), (125, 2549133), (153, 2082625), (225, 1416185), (255, 1249575), (375, 849711), (425, 749745), (765, 416525), (1125, 283237), (1275, 249915), (2125, 149949), (3825, 83305), (6375, 49983), (16661, 19125)]