140620005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 263637504

約数和(自身を除く): 123017499

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 2115, 2397, 3911, 3995, 7191, 11733, 11985, 19555, 35199, 35955, 58665, 66487, 175995, 183817, 199461, 332435, 551451, 598383, 919085, 997305, 1654353, 2757255, 2991915, 3124889, 8271765, 9374667, 15624445, 28124001, 46873335, 140620005]

約数ペア:

[(1, 140620005), (3, 46873335), (5, 28124001), (9, 15624445), (15, 9374667), (17, 8271765), (45, 3124889), (47, 2991915), (51, 2757255), (85, 1654353), (141, 997305), (153, 919085), (235, 598383), (255, 551451), (423, 332435), (705, 199461), (765, 183817), (799, 175995), (2115, 66487), (2397, 58665), (3911, 35955), (3995, 35199), (7191, 19555), (11733, 11985)]