61669881

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 115524864

約数和(自身を除く): 53854983

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 147, 217, 273, 279, 347, 403, 441, 637, 651, 819, 1041, 1209, 1519, 1911, 1953, 2429, 2821, 3123, 3627, 4511, 4557, 5733, 7287, 8463, 10757, 13533, 13671, 17003, 19747, 21861, 25389, 31577, 32271, 40599, 51009, 59241, 75299, 94731, 96813, 139841, 153027, 177723, 221039, 225897, 284193, 419523, 527093, 663117, 677691, 978887, 1258569, 1581279, 1989351, 2936661, 4743837, 6852209, 8809983, 20556627, 61669881]

約数ペア:

[(1, 61669881), (3, 20556627), (7, 8809983), (9, 6852209), (13, 4743837), (21, 2936661), (31, 1989351), (39, 1581279), (49, 1258569), (63, 978887), (91, 677691), (93, 663117), (117, 527093), (147, 419523), (217, 284193), (273, 225897), (279, 221039), (347, 177723), (403, 153027), (441, 139841), (637, 96813), (651, 94731), (819, 75299), (1041, 59241), (1209, 51009), (1519, 40599), (1911, 32271), (1953, 31577), (2429, 25389), (2821, 21861), (3123, 19747), (3627, 17003), (4511, 13671), (4557, 13533), (5733, 10757), (7287, 8463)]