49720185

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 89369280

約数和(自身を除く): 39649095

約数列:

[1, 3, 5, 9, 15, 45, 59, 61, 177, 183, 295, 305, 307, 531, 549, 885, 915, 921, 1535, 2655, 2745, 2763, 3599, 4605, 10797, 13815, 17995, 18113, 18727, 32391, 53985, 54339, 56181, 90565, 93635, 161955, 163017, 168543, 271695, 280905, 815085, 842715, 1104893, 3314679, 5524465, 9944037, 16573395, 49720185]

約数ペア:

[(1, 49720185), (3, 16573395), (5, 9944037), (9, 5524465), (15, 3314679), (45, 1104893), (59, 842715), (61, 815085), (177, 280905), (183, 271695), (295, 168543), (305, 163017), (307, 161955), (531, 93635), (549, 90565), (885, 56181), (915, 54339), (921, 53985), (1535, 32391), (2655, 18727), (2745, 18113), (2763, 17995), (3599, 13815), (4605, 10797)]