2215983

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 3773952

約数和(自身を除く): 1557969

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 181, 231, 371, 543, 583, 1113, 1267, 1749, 1991, 3801, 4081, 5973, 9593, 12243, 13937, 28779, 41811, 67151, 105523, 201453, 316569, 738661, 2215983]

約数ペア:

[(1, 2215983), (3, 738661), (7, 316569), (11, 201453), (21, 105523), (33, 67151), (53, 41811), (77, 28779), (159, 13937), (181, 12243), (231, 9593), (371, 5973), (543, 4081), (583, 3801), (1113, 1991), (1267, 1749)]