38787939

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 57474144

約数和(自身を除く): 18686205

約数列:

[1, 3, 9, 71, 101, 213, 303, 601, 639, 909, 1803, 5409, 7171, 21513, 42671, 60701, 64539, 128013, 182103, 384039, 546309, 4309771, 12929313, 38787939]

約数ペア:

[(1, 38787939), (3, 12929313), (9, 4309771), (71, 546309), (101, 384039), (213, 182103), (303, 128013), (601, 64539), (639, 60701), (909, 42671), (1803, 21513), (5409, 7171)]