63871245

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19991}}^1$

素因数の和:20073

約数の個数: 24

約数和(自身を含む): 112275072

約数和(自身を除く): 48403827

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 19991, 59973, 99955, 179919, 299865, 899595, 1419361, 4258083, 7096805, 12774249, 21290415, 63871245]

約数ペア:

[(1, 63871245), (3, 21290415), (5, 12774249), (9, 7096805), (15, 4258083), (45, 1419361), (71, 899595), (213, 299865), (355, 179919), (639, 99955), (1065, 59973), (3195, 19991)]