212340315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2621}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 371526912

約数和(自身を除く): 159186597

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 491, 1473, 2455, 2621, 5401, 7365, 7863, 13105, 16203, 27005, 28831, 39315, 81015, 86493, 144155, 432465, 1286911, 3860733, 6434555, 14156021, 19303665, 42468063, 70780105, 212340315]

約数ペア:

[(1, 212340315), (3, 70780105), (5, 42468063), (11, 19303665), (15, 14156021), (33, 6434555), (55, 3860733), (165, 1286911), (491, 432465), (1473, 144155), (2455, 86493), (2621, 81015), (5401, 39315), (7365, 28831), (7863, 27005), (13105, 16203)]