215784

素因数分解:

$2^3\times 3^6\times {\mathrm{37}}^1$

素因数の和:61

約数の個数: 56

約数和(自身を含む): 623010

約数和(自身を除く): 407226

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 243, 296, 324, 333, 444, 486, 648, 666, 729, 888, 972, 999, 1332, 1458, 1944, 1998, 2664, 2916, 2997, 3996, 5832, 5994, 7992, 8991, 11988, 17982, 23976, 26973, 35964, 53946, 71928, 107892, 215784]

約数ペア:

[(1, 215784), (2, 107892), (3, 71928), (4, 53946), (6, 35964), (8, 26973), (9, 23976), (12, 17982), (18, 11988), (24, 8991), (27, 7992), (36, 5994), (37, 5832), (54, 3996), (72, 2997), (74, 2916), (81, 2664), (108, 1998), (111, 1944), (148, 1458), (162, 1332), (216, 999), (222, 972), (243, 888), (296, 729), (324, 666), (333, 648), (444, 486)]