65891895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 116563968

約数和(自身を除く): 50672073

約数列:

[1, 3, 5, 15, 23, 31, 61, 69, 93, 101, 115, 155, 183, 303, 305, 345, 465, 505, 713, 915, 1403, 1515, 1891, 2139, 2323, 3131, 3565, 4209, 5673, 6161, 6969, 7015, 9393, 9455, 10695, 11615, 15655, 18483, 21045, 28365, 30805, 34845, 43493, 46965, 72013, 92415, 130479, 141703, 190991, 216039, 217465, 360065, 425109, 572973, 652395, 708515, 954955, 1080195, 2125545, 2864865, 4392793, 13178379, 21963965, 65891895]

約数ペア:

[(1, 65891895), (3, 21963965), (5, 13178379), (15, 4392793), (23, 2864865), (31, 2125545), (61, 1080195), (69, 954955), (93, 708515), (101, 652395), (115, 572973), (155, 425109), (183, 360065), (303, 217465), (305, 216039), (345, 190991), (465, 141703), (505, 130479), (713, 92415), (915, 72013), (1403, 46965), (1515, 43493), (1891, 34845), (2139, 30805), (2323, 28365), (3131, 21045), (3565, 18483), (4209, 15655), (5673, 11615), (6161, 10695), (6969, 9455), (7015, 9393)]