87661497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20013

約数の個数: 32

約数和(自身を含む): 153400320

約数和(自身を除く): 65738823

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 19973, 59919, 139811, 219703, 379487, 419433, 659109, 1138461, 1537921, 2656409, 4174357, 4613763, 7969227, 12523071, 29220499, 87661497]

約数ペア:

[(1, 87661497), (3, 29220499), (7, 12523071), (11, 7969227), (19, 4613763), (21, 4174357), (33, 2656409), (57, 1537921), (77, 1138461), (133, 659109), (209, 419433), (231, 379487), (399, 219703), (627, 139811), (1463, 59919), (4389, 19973)]