393211203

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 685670400

約数和(自身を除く): 292459197

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 79, 87, 203, 231, 237, 319, 553, 609, 743, 869, 957, 1659, 2229, 2233, 2291, 2607, 5201, 6083, 6699, 6873, 8173, 15603, 16037, 18249, 21547, 24519, 25201, 48111, 57211, 58697, 64641, 75603, 150829, 171633, 176091, 176407, 237017, 410879, 452487, 529221, 645667, 711051, 1232637, 1659119, 1702213, 1937001, 4519669, 4977357, 5106639, 11915491, 13559007, 18724343, 35746473, 56173029, 131070401, 393211203]

約数ペア:

[(1, 393211203), (3, 131070401), (7, 56173029), (11, 35746473), (21, 18724343), (29, 13559007), (33, 11915491), (77, 5106639), (79, 4977357), (87, 4519669), (203, 1937001), (231, 1702213), (237, 1659119), (319, 1232637), (553, 711051), (609, 645667), (743, 529221), (869, 452487), (957, 410879), (1659, 237017), (2229, 176407), (2233, 176091), (2291, 171633), (2607, 150829), (5201, 75603), (6083, 64641), (6699, 58697), (6873, 57211), (8173, 48111), (15603, 25201), (16037, 24519), (18249, 21547)]