31312971603

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{2797}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 49513408000

約数和(自身を除く): 18200436397

約数列:

[1, 3, 9, 19, 27, 57, 139, 157, 171, 417, 471, 513, 1251, 1413, 2641, 2797, 2983, 3753, 4239, 7923, 8391, 8949, 21823, 23769, 25173, 26847, 53143, 65469, 71307, 75519, 80541, 159429, 196407, 388783, 414637, 439129, 478287, 589221, 1166349, 1243911, 1317387, 1434861, 3499047, 3731733, 3952161, 7386877, 8343451, 10497141, 11195199, 11856483, 22160631, 25030353, 61038931, 66481893, 75091059, 183116793, 199445679, 225273177, 549350379, 1159739689, 1648051137, 3479219067, 10437657201, 31312971603]

約数ペア:

[(1, 31312971603), (3, 10437657201), (9, 3479219067), (19, 1648051137), (27, 1159739689), (57, 549350379), (139, 225273177), (157, 199445679), (171, 183116793), (417, 75091059), (471, 66481893), (513, 61038931), (1251, 25030353), (1413, 22160631), (2641, 11856483), (2797, 11195199), (2983, 10497141), (3753, 8343451), (4239, 7386877), (7923, 3952161), (8391, 3731733), (8949, 3499047), (21823, 1434861), (23769, 1317387), (25173, 1243911), (26847, 1166349), (53143, 589221), (65469, 478287), (71307, 439129), (75519, 414637), (80541, 388783), (159429, 196407)]