1997366925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{15749}}^1$

素因数の和:15870

約数の個数: 48

約数和(自身を含む): 3515400000

約数和(自身を除く): 1518033075

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 89, 95, 267, 285, 445, 475, 1335, 1425, 1691, 2225, 5073, 6675, 8455, 15749, 25365, 42275, 47247, 78745, 126825, 236235, 299231, 393725, 897693, 1181175, 1401661, 1496155, 4204983, 4488465, 7008305, 7480775, 21024915, 22442325, 26631559, 35041525, 79894677, 105124575, 133157795, 399473385, 665788975, 1997366925]

約数ペア:

[(1, 1997366925), (3, 665788975), (5, 399473385), (15, 133157795), (19, 105124575), (25, 79894677), (57, 35041525), (75, 26631559), (89, 22442325), (95, 21024915), (267, 7480775), (285, 7008305), (445, 4488465), (475, 4204983), (1335, 1496155), (1425, 1401661), (1691, 1181175), (2225, 897693), (5073, 393725), (6675, 299231), (8455, 236235), (15749, 126825), (25365, 78745), (42275, 47247)]