1997568009

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 3147056640

約数和(自身を除く): 1149488631

約数列:

[1, 3, 9, 23, 47, 69, 79, 113, 141, 207, 237, 339, 423, 529, 711, 1017, 1081, 1587, 1817, 2599, 3243, 3713, 4761, 5311, 5451, 7797, 8927, 9729, 11139, 15933, 16353, 23391, 24863, 26781, 33417, 41791, 47799, 59777, 74589, 80343, 85399, 122153, 125373, 179331, 205321, 223767, 256197, 366459, 376119, 419569, 537993, 615963, 768591, 1099377, 1258707, 1847889, 1964177, 2809519, 3776121, 4722383, 5892531, 8428557, 9650087, 14167149, 17677593, 25285671, 28950261, 42501447, 86850783, 221952001, 665856003, 1997568009]

約数ペア:

[(1, 1997568009), (3, 665856003), (9, 221952001), (23, 86850783), (47, 42501447), (69, 28950261), (79, 25285671), (113, 17677593), (141, 14167149), (207, 9650087), (237, 8428557), (339, 5892531), (423, 4722383), (529, 3776121), (711, 2809519), (1017, 1964177), (1081, 1847889), (1587, 1258707), (1817, 1099377), (2599, 768591), (3243, 615963), (3713, 537993), (4761, 419569), (5311, 376119), (5451, 366459), (7797, 256197), (8927, 223767), (9729, 205321), (11139, 179331), (15933, 125373), (16353, 122153), (23391, 85399), (24863, 80343), (26781, 74589), (33417, 59777), (41791, 47799)]