17280393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 25909632

約数和(自身を除く): 8629239

約数列:

[1, 3, 13, 39, 41, 101, 107, 123, 303, 321, 533, 1313, 1391, 1599, 3939, 4141, 4173, 4387, 10807, 12423, 13161, 32421, 53833, 57031, 140491, 161499, 171093, 421473, 443087, 1329261, 5760131, 17280393]

約数ペア:

[(1, 17280393), (3, 5760131), (13, 1329261), (39, 443087), (41, 421473), (101, 171093), (107, 161499), (123, 140491), (303, 57031), (321, 53833), (533, 32421), (1313, 13161), (1391, 12423), (1599, 10807), (3939, 4387), (4141, 4173)]