291247335981

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{297049}}^1$

素因数の和:297338

約数の個数: 48

約数和(自身を含む): 489348288000

約数和(自身を除く): 198100952019

約数列:

[1, 3, 7, 9, 21, 63, 79, 197, 237, 553, 591, 711, 1379, 1659, 1773, 4137, 4977, 12411, 15563, 46689, 108941, 140067, 297049, 326823, 891147, 980469, 2079343, 2673441, 6238029, 18714087, 23466871, 58518653, 70400613, 164268097, 175555959, 211201839, 409630571, 492804291, 526667877, 1228891713, 1478412873, 3686675139, 4622973587, 13868920761, 32360815109, 41606762283, 97082445327, 291247335981]

約数ペア:

[(1, 291247335981), (3, 97082445327), (7, 41606762283), (9, 32360815109), (21, 13868920761), (63, 4622973587), (79, 3686675139), (197, 1478412873), (237, 1228891713), (553, 526667877), (591, 492804291), (711, 409630571), (1379, 211201839), (1659, 175555959), (1773, 164268097), (4137, 70400613), (4977, 58518653), (12411, 23466871), (15563, 18714087), (46689, 6238029), (108941, 2673441), (140067, 2079343), (297049, 980469), (326823, 891147)]