31719207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 47219200

約数和(自身を除く): 15499993

約数列:

[1, 3, 13, 39, 61, 67, 183, 199, 201, 597, 793, 871, 2379, 2587, 2613, 4087, 7761, 12139, 12261, 13333, 36417, 39999, 53131, 157807, 159393, 173329, 473421, 519987, 813313, 2439939, 10573069, 31719207]

約数ペア:

[(1, 31719207), (3, 10573069), (13, 2439939), (39, 813313), (61, 519987), (67, 473421), (183, 173329), (199, 159393), (201, 157807), (597, 53131), (793, 39999), (871, 36417), (2379, 13333), (2587, 12261), (2613, 12139), (4087, 7761)]