71215575

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 50919465

約数列:

[1, 3, 5, 15, 25, 47, 75, 89, 141, 227, 235, 267, 445, 681, 705, 1135, 1175, 1335, 2225, 3405, 3525, 4183, 5675, 6675, 10669, 12549, 17025, 20203, 20915, 32007, 53345, 60609, 62745, 101015, 104575, 160035, 266725, 303045, 313725, 505075, 800175, 949541, 1515225, 2848623, 4747705, 14243115, 23738525, 71215575]

約数ペア:

[(1, 71215575), (3, 23738525), (5, 14243115), (15, 4747705), (25, 2848623), (47, 1515225), (75, 949541), (89, 800175), (141, 505075), (227, 313725), (235, 303045), (267, 266725), (445, 160035), (681, 104575), (705, 101015), (1135, 62745), (1175, 60609), (1335, 53345), (2225, 32007), (3405, 20915), (3525, 20203), (4183, 17025), (5675, 12549), (6675, 10669)]