278409915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4073}}^1$

素因数の和:4129

約数の個数: 72

約数和(自身を含む): 579616128

約数和(自身を除く): 301206213

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 465, 651, 735, 1085, 1395, 1519, 1953, 2205, 3255, 4073, 4557, 7595, 9765, 12219, 13671, 20365, 22785, 28511, 36657, 61095, 68355, 85533, 126263, 142555, 183285, 199577, 256599, 378789, 427665, 598731, 631315, 883841, 997885, 1136367, 1282995, 1796193, 1893945, 2651523, 2993655, 4419205, 5681835, 6186887, 7954569, 8980965, 13257615, 18560661, 30934435, 39772845, 55681983, 92803305, 278409915]

約数ペア:

[(1, 278409915), (3, 92803305), (5, 55681983), (7, 39772845), (9, 30934435), (15, 18560661), (21, 13257615), (31, 8980965), (35, 7954569), (45, 6186887), (49, 5681835), (63, 4419205), (93, 2993655), (105, 2651523), (147, 1893945), (155, 1796193), (217, 1282995), (245, 1136367), (279, 997885), (315, 883841), (441, 631315), (465, 598731), (651, 427665), (735, 378789), (1085, 256599), (1395, 199577), (1519, 183285), (1953, 142555), (2205, 126263), (3255, 85533), (4073, 68355), (4557, 61095), (7595, 36657), (9765, 28511), (12219, 22785), (13671, 20365)]