20138601

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 31744000

約数和(自身を除く): 11605399

約数列:

[1, 3, 7, 21, 61, 79, 183, 199, 237, 427, 553, 597, 1281, 1393, 1659, 4179, 4819, 12139, 14457, 15721, 33733, 36417, 47163, 84973, 101199, 110047, 254919, 330141, 958981, 2876943, 6712867, 20138601]

約数ペア:

[(1, 20138601), (3, 6712867), (7, 2876943), (21, 958981), (61, 330141), (79, 254919), (183, 110047), (199, 101199), (237, 84973), (427, 47163), (553, 36417), (597, 33733), (1281, 15721), (1393, 14457), (1659, 12139), (4179, 4819)]