39929955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 74511360

約数和(自身を除く): 34581405

約数列:

[1, 3, 5, 13, 15, 23, 29, 39, 65, 69, 87, 115, 145, 195, 299, 307, 345, 377, 435, 667, 897, 921, 1131, 1495, 1535, 1885, 2001, 3335, 3991, 4485, 4605, 5655, 7061, 8671, 8903, 10005, 11973, 19955, 21183, 26013, 26709, 35305, 43355, 44515, 59865, 91793, 105915, 115739, 130065, 133545, 204769, 275379, 347217, 458965, 578695, 614307, 1023845, 1376895, 1736085, 2661997, 3071535, 7985991, 13309985, 39929955]

約数ペア:

[(1, 39929955), (3, 13309985), (5, 7985991), (13, 3071535), (15, 2661997), (23, 1736085), (29, 1376895), (39, 1023845), (65, 614307), (69, 578695), (87, 458965), (115, 347217), (145, 275379), (195, 204769), (299, 133545), (307, 130065), (345, 115739), (377, 105915), (435, 91793), (667, 59865), (897, 44515), (921, 43355), (1131, 35305), (1495, 26709), (1535, 26013), (1885, 21183), (2001, 19955), (3335, 11973), (3991, 10005), (4485, 8903), (4605, 8671), (5655, 7061)]