78320479905

素因数分解:

$3^4\times 5^1\times {\mathrm{12503}}^1\times {\mathrm{15467}}^1$

素因数の和:27987

約数の個数: 40

約数和(自身を含む): 140417019072

約数和(自身を除く): 62096539167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12503, 15467, 37509, 46401, 62515, 77335, 112527, 139203, 187545, 232005, 337581, 417609, 562635, 696015, 1012743, 1252827, 1687905, 2088045, 5063715, 6264135, 193383901, 580151703, 966919505, 1740455109, 2900758515, 5221365327, 8702275545, 15664095981, 26106826635, 78320479905]

約数ペア:

[(1, 78320479905), (3, 26106826635), (5, 15664095981), (9, 8702275545), (15, 5221365327), (27, 2900758515), (45, 1740455109), (81, 966919505), (135, 580151703), (405, 193383901), (12503, 6264135), (15467, 5063715), (37509, 2088045), (46401, 1687905), (62515, 1252827), (77335, 1012743), (112527, 696015), (139203, 562635), (187545, 417609), (232005, 337581)]