31583331

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 23251869

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 67, 79, 117, 153, 201, 221, 237, 351, 459, 603, 663, 711, 871, 1027, 1139, 1343, 1809, 1989, 2133, 2613, 3081, 3417, 4029, 5293, 5967, 7839, 9243, 10251, 12087, 14807, 15879, 17459, 23517, 27729, 30753, 36261, 44421, 47637, 52377, 68809, 89981, 133263, 142911, 157131, 206427, 269943, 399789, 471393, 619281, 809829, 1169753, 1857843, 2429487, 3509259, 10527777, 31583331]

約数ペア:

[(1, 31583331), (3, 10527777), (9, 3509259), (13, 2429487), (17, 1857843), (27, 1169753), (39, 809829), (51, 619281), (67, 471393), (79, 399789), (117, 269943), (153, 206427), (201, 157131), (221, 142911), (237, 133263), (351, 89981), (459, 68809), (603, 52377), (663, 47637), (711, 44421), (871, 36261), (1027, 30753), (1139, 27729), (1343, 23517), (1809, 17459), (1989, 15879), (2133, 14807), (2613, 12087), (3081, 10251), (3417, 9243), (4029, 7839), (5293, 5967)]