139780305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{971}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 277789824

約数和(自身を除く): 138009519

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 457, 971, 1371, 2285, 2913, 3199, 4113, 4855, 6797, 6855, 8739, 9597, 14565, 15995, 20391, 20565, 28791, 33985, 43695, 47985, 61173, 101955, 143955, 305865, 443747, 1331241, 2218735, 3106229, 3993723, 6656205, 9318687, 15531145, 19968615, 27956061, 46593435, 139780305]

約数ペア:

[(1, 139780305), (3, 46593435), (5, 27956061), (7, 19968615), (9, 15531145), (15, 9318687), (21, 6656205), (35, 3993723), (45, 3106229), (63, 2218735), (105, 1331241), (315, 443747), (457, 305865), (971, 143955), (1371, 101955), (2285, 61173), (2913, 47985), (3199, 43695), (4113, 33985), (4855, 28791), (6797, 20565), (6855, 20391), (8739, 15995), (9597, 14565)]