31099383

素因数分解:

$3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 23413257

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 243, 329, 389, 423, 567, 987, 1167, 1269, 1701, 2723, 2961, 3501, 3807, 8169, 8883, 10503, 11421, 18283, 24507, 26649, 31509, 54849, 73521, 79947, 94527, 127981, 164547, 220563, 383943, 493641, 661689, 1151829, 1480923, 3455487, 4442769, 10366461, 31099383]

約数ペア:

[(1, 31099383), (3, 10366461), (7, 4442769), (9, 3455487), (21, 1480923), (27, 1151829), (47, 661689), (63, 493641), (81, 383943), (141, 220563), (189, 164547), (243, 127981), (329, 94527), (389, 79947), (423, 73521), (567, 54849), (987, 31509), (1167, 26649), (1269, 24507), (1701, 18283), (2723, 11421), (2961, 10503), (3501, 8883), (3807, 8169)]