387664431

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 680832000

約数和(自身を除く): 293167569

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 343, 539, 609, 957, 1029, 1181, 1421, 1617, 2233, 3543, 3773, 4263, 6699, 8267, 9947, 11319, 12991, 15631, 24801, 29841, 34249, 38973, 46893, 57869, 90937, 102747, 109417, 173607, 239743, 272811, 328251, 376739, 405083, 636559, 719229, 1130217, 1215249, 1678201, 1909677, 2637173, 4455913, 5034603, 7911519, 11747407, 13367739, 18460211, 35242221, 55380633, 129221477, 387664431]

約数ペア:

[(1, 387664431), (3, 129221477), (7, 55380633), (11, 35242221), (21, 18460211), (29, 13367739), (33, 11747407), (49, 7911519), (77, 5034603), (87, 4455913), (147, 2637173), (203, 1909677), (231, 1678201), (319, 1215249), (343, 1130217), (539, 719229), (609, 636559), (957, 405083), (1029, 376739), (1181, 328251), (1421, 272811), (1617, 239743), (2233, 173607), (3543, 109417), (3773, 102747), (4263, 90937), (6699, 57869), (8267, 46893), (9947, 38973), (11319, 34249), (12991, 29841), (15631, 24801)]