390295809

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 627149952

約数和(自身を除く): 236854143

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 197, 207, 391, 563, 591, 1173, 1689, 1773, 3349, 3519, 4531, 5067, 9571, 10047, 12949, 13593, 28713, 30141, 38847, 40779, 77027, 86139, 110911, 116541, 220133, 231081, 332733, 660399, 693243, 998199, 1885487, 1981197, 2550953, 5656461, 7652859, 16969383, 22958577, 43366201, 130098603, 390295809]

約数ペア:

[(1, 390295809), (3, 130098603), (9, 43366201), (17, 22958577), (23, 16969383), (51, 7652859), (69, 5656461), (153, 2550953), (197, 1981197), (207, 1885487), (391, 998199), (563, 693243), (591, 660399), (1173, 332733), (1689, 231081), (1773, 220133), (3349, 116541), (3519, 110911), (4531, 86139), (5067, 77027), (9571, 40779), (10047, 38847), (12949, 30141), (13593, 28713)]