27531315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 27819981

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1231, 1491, 2485, 3195, 3693, 4473, 6155, 7455, 8617, 11079, 18465, 22365, 25851, 43085, 55395, 77553, 87401, 129255, 262203, 387765, 437005, 611807, 786609, 1311015, 1835421, 3059035, 3933045, 5506263, 9177105, 27531315]

約数ペア:

[(1, 27531315), (3, 9177105), (5, 5506263), (7, 3933045), (9, 3059035), (15, 1835421), (21, 1311015), (35, 786609), (45, 611807), (63, 437005), (71, 387765), (105, 262203), (213, 129255), (315, 87401), (355, 77553), (497, 55395), (639, 43085), (1065, 25851), (1231, 22365), (1491, 18465), (2485, 11079), (3195, 8617), (3693, 7455), (4473, 6155)]