39771207

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 68090880

約数和(自身を除く): 28319673

約数列:

[1, 3, 7, 9, 21, 61, 63, 79, 131, 183, 237, 393, 427, 549, 553, 711, 917, 1179, 1281, 1659, 2751, 3843, 4819, 4977, 7991, 8253, 10349, 14457, 23973, 31047, 33733, 43371, 55937, 71919, 72443, 93141, 101199, 167811, 217329, 303597, 503433, 631289, 651987, 1893867, 4419023, 5681601, 13257069, 39771207]

約数ペア:

[(1, 39771207), (3, 13257069), (7, 5681601), (9, 4419023), (21, 1893867), (61, 651987), (63, 631289), (79, 503433), (131, 303597), (183, 217329), (237, 167811), (393, 101199), (427, 93141), (549, 72443), (553, 71919), (711, 55937), (917, 43371), (1179, 33733), (1281, 31047), (1659, 23973), (2751, 14457), (3843, 10349), (4819, 8253), (4977, 7991)]