205718235

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1619}}^1$

素因数の和:1867

約数の個数: 32

約数和(自身を含む): 338722560

約数和(自身を除く): 133004325

約数列:

[1, 3, 5, 15, 43, 129, 197, 215, 591, 645, 985, 1619, 2955, 4857, 8095, 8471, 24285, 25413, 42355, 69617, 127065, 208851, 318943, 348085, 956829, 1044255, 1594715, 4784145, 13714549, 41143647, 68572745, 205718235]

約数ペア:

[(1, 205718235), (3, 68572745), (5, 41143647), (15, 13714549), (43, 4784145), (129, 1594715), (197, 1044255), (215, 956829), (591, 348085), (645, 318943), (985, 208851), (1619, 127065), (2955, 69617), (4857, 42355), (8095, 25413), (8471, 24285)]