199021809

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 321085440

約数和(自身を除く): 122063631

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 191, 203, 413, 573, 609, 841, 1239, 1337, 1711, 2523, 4011, 5133, 5539, 5887, 11269, 11977, 16617, 17661, 33807, 35931, 38773, 49619, 78883, 116319, 148857, 160631, 236649, 326801, 347333, 481893, 980403, 1041999, 1124417, 2287607, 3373251, 6862821, 9477229, 28431687, 66340603, 199021809]

約数ペア:

[(1, 199021809), (3, 66340603), (7, 28431687), (21, 9477229), (29, 6862821), (59, 3373251), (87, 2287607), (177, 1124417), (191, 1041999), (203, 980403), (413, 481893), (573, 347333), (609, 326801), (841, 236649), (1239, 160631), (1337, 148857), (1711, 116319), (2523, 78883), (4011, 49619), (5133, 38773), (5539, 35931), (5887, 33807), (11269, 17661), (11977, 16617)]