399170097921

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{743}}^1\times {\mathrm{8681}}^1$

素因数の和:9862

約数の個数: 48

約数和(自身を含む): 621498400128

約数和(自身を除く): 222328302207

約数列:

[1, 3, 7, 21, 49, 147, 421, 743, 1263, 2229, 2947, 5201, 8681, 8841, 15603, 20629, 26043, 36407, 60767, 61887, 109221, 182301, 312803, 425369, 938409, 1276107, 2189621, 3654701, 6449983, 6568863, 10964103, 15327347, 19349949, 25582907, 45149881, 45982041, 76748721, 135449643, 179080349, 316049167, 537241047, 948147501, 2715442843, 8146328529, 19008099901, 57024299703, 133056699307, 399170097921]

約数ペア:

[(1, 399170097921), (3, 133056699307), (7, 57024299703), (21, 19008099901), (49, 8146328529), (147, 2715442843), (421, 948147501), (743, 537241047), (1263, 316049167), (2229, 179080349), (2947, 135449643), (5201, 76748721), (8681, 45982041), (8841, 45149881), (15603, 25582907), (20629, 19349949), (26043, 15327347), (36407, 10964103), (60767, 6568863), (61887, 6449983), (109221, 3654701), (182301, 2189621), (312803, 1276107), (425369, 938409)]