388689903

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{38321}}^1$

素因数の和:38364

約数の個数: 36

約数和(自身を含む): 681518448

約数和(自身を除く): 292828545

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 38321, 114963, 268247, 344889, 804741, 881383, 1877729, 2414223, 2644149, 5633187, 6169681, 7932447, 16899561, 18509043, 43187767, 55527129, 129563301, 388689903]

約数ペア:

[(1, 388689903), (3, 129563301), (7, 55527129), (9, 43187767), (21, 18509043), (23, 16899561), (49, 7932447), (63, 6169681), (69, 5633187), (147, 2644149), (161, 2414223), (207, 1877729), (441, 881383), (483, 804741), (1127, 344889), (1449, 268247), (3381, 114963), (10143, 38321)]