31247685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 37042875

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 35, 45, 57, 63, 69, 95, 105, 115, 133, 161, 171, 207, 227, 285, 315, 345, 399, 437, 483, 665, 681, 805, 855, 1035, 1135, 1197, 1311, 1449, 1589, 1995, 2043, 2185, 2415, 3059, 3405, 3933, 4313, 4767, 5221, 5985, 6555, 7245, 7945, 9177, 10215, 12939, 14301, 15295, 15663, 19665, 21565, 23835, 26105, 27531, 30191, 36547, 38817, 45885, 46989, 64695, 71505, 78315, 90573, 99199, 109641, 137655, 150955, 182735, 194085, 234945, 271719, 297597, 328923, 452865, 495995, 548205, 694393, 892791, 1358595, 1487985, 1644615, 2083179, 3471965, 4463955, 6249537, 10415895, 31247685]

約数ペア:

[(1, 31247685), (3, 10415895), (5, 6249537), (7, 4463955), (9, 3471965), (15, 2083179), (19, 1644615), (21, 1487985), (23, 1358595), (35, 892791), (45, 694393), (57, 548205), (63, 495995), (69, 452865), (95, 328923), (105, 297597), (115, 271719), (133, 234945), (161, 194085), (171, 182735), (207, 150955), (227, 137655), (285, 109641), (315, 99199), (345, 90573), (399, 78315), (437, 71505), (483, 64695), (665, 46989), (681, 45885), (805, 38817), (855, 36547), (1035, 30191), (1135, 27531), (1197, 26105), (1311, 23835), (1449, 21565), (1589, 19665), (1995, 15663), (2043, 15295), (2185, 14301), (2415, 12939), (3059, 10215), (3405, 9177), (3933, 7945), (4313, 7245), (4767, 6555), (5221, 5985)]