155212941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 242613504

約数和(自身を除く): 87400563

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 289, 293, 611, 663, 799, 867, 879, 1833, 2397, 3757, 3809, 4981, 10387, 11271, 11427, 13583, 13771, 14943, 31161, 40749, 41313, 64753, 84677, 176579, 179023, 194259, 234107, 254031, 529737, 537069, 702321, 1100801, 3043391, 3302403, 3979819, 9130173, 11939457, 51737647, 155212941]

約数ペア:

[(1, 155212941), (3, 51737647), (13, 11939457), (17, 9130173), (39, 3979819), (47, 3302403), (51, 3043391), (141, 1100801), (221, 702321), (289, 537069), (293, 529737), (611, 254031), (663, 234107), (799, 194259), (867, 179023), (879, 176579), (1833, 84677), (2397, 64753), (3757, 41313), (3809, 40749), (4981, 31161), (10387, 14943), (11271, 13771), (11427, 13583)]