319481421

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 513601920

約数和(自身を除く): 194120499

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 151, 259, 389, 453, 777, 1057, 1167, 1813, 2723, 3171, 5439, 5587, 7399, 8169, 14393, 16761, 19061, 22197, 39109, 43179, 57183, 58739, 100751, 117327, 176217, 273763, 302253, 411173, 705257, 821289, 1233519, 2115771, 2173343, 2878211, 6520029, 8634633, 15213401, 45640203, 106493807, 319481421]

約数ペア:

[(1, 319481421), (3, 106493807), (7, 45640203), (21, 15213401), (37, 8634633), (49, 6520029), (111, 2878211), (147, 2173343), (151, 2115771), (259, 1233519), (389, 821289), (453, 705257), (777, 411173), (1057, 302253), (1167, 273763), (1813, 176217), (2723, 117327), (3171, 100751), (5439, 58739), (5587, 57183), (7399, 43179), (8169, 39109), (14393, 22197), (16761, 19061)]