31905135

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 57451680

約数和(自身を除く): 25546545

約数列:

[1, 3, 5, 9, 15, 45, 59, 61, 177, 183, 197, 295, 305, 531, 549, 591, 885, 915, 985, 1773, 2655, 2745, 2955, 3599, 8865, 10797, 11623, 12017, 17995, 32391, 34869, 36051, 53985, 58115, 60085, 104607, 108153, 161955, 174345, 180255, 523035, 540765, 709003, 2127009, 3545015, 6381027, 10635045, 31905135]

約数ペア:

[(1, 31905135), (3, 10635045), (5, 6381027), (9, 3545015), (15, 2127009), (45, 709003), (59, 540765), (61, 523035), (177, 180255), (183, 174345), (197, 161955), (295, 108153), (305, 104607), (531, 60085), (549, 58115), (591, 53985), (885, 36051), (915, 34869), (985, 32391), (1773, 17995), (2655, 12017), (2745, 11623), (2955, 10797), (3599, 8865)]