71242479

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 129153024

約数和(自身を除く): 57910545

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 223, 231, 461, 669, 693, 1383, 1561, 2007, 2453, 3227, 4149, 4683, 5071, 7359, 9681, 14049, 15213, 17171, 22077, 29043, 35497, 45639, 51513, 102803, 106491, 154539, 308409, 319473, 719621, 925227, 1130833, 2158863, 3392499, 6476589, 7915831, 10177497, 23747493, 71242479]

約数ペア:

[(1, 71242479), (3, 23747493), (7, 10177497), (9, 7915831), (11, 6476589), (21, 3392499), (33, 2158863), (63, 1130833), (77, 925227), (99, 719621), (223, 319473), (231, 308409), (461, 154539), (669, 106491), (693, 102803), (1383, 51513), (1561, 45639), (2007, 35497), (2453, 29043), (3227, 22077), (4149, 17171), (4683, 15213), (5071, 14049), (7359, 9681)]