15705591993

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{9769}}^1$

素因数の和:9959

約数の個数: 72

約数和(自身を含む): 28263281280

約数和(自身を除く): 12557689287

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 169, 273, 453, 507, 819, 1057, 1183, 1359, 1521, 1963, 3171, 3549, 5889, 9513, 9769, 10647, 13741, 17667, 25519, 29307, 41223, 68383, 76557, 87921, 123669, 126997, 178633, 205149, 229671, 380991, 535899, 615447, 888979, 1142973, 1475119, 1607697, 1650961, 2666937, 4425357, 4952883, 8000811, 10325833, 11556727, 13276071, 14858649, 19176547, 30977499, 34670181, 57529641, 92932497, 104010543, 134235829, 172588923, 249295111, 402707487, 747885333, 1208122461, 1745065777, 2243655999, 5235197331, 15705591993]

約数ペア:

[(1, 15705591993), (3, 5235197331), (7, 2243655999), (9, 1745065777), (13, 1208122461), (21, 747885333), (39, 402707487), (63, 249295111), (91, 172588923), (117, 134235829), (151, 104010543), (169, 92932497), (273, 57529641), (453, 34670181), (507, 30977499), (819, 19176547), (1057, 14858649), (1183, 13276071), (1359, 11556727), (1521, 10325833), (1963, 8000811), (3171, 4952883), (3549, 4425357), (5889, 2666937), (9513, 1650961), (9769, 1607697), (10647, 1475119), (13741, 1142973), (17667, 888979), (25519, 615447), (29307, 535899), (41223, 380991), (68383, 229671), (76557, 205149), (87921, 178633), (123669, 126997)]