213525315

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 405140736

約数和(自身を除く): 191615421

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 61, 67, 81, 129, 135, 183, 201, 215, 243, 305, 335, 387, 405, 549, 603, 645, 915, 1005, 1161, 1215, 1647, 1809, 1935, 2623, 2745, 2881, 3015, 3483, 4087, 4941, 5427, 5805, 7869, 8235, 8643, 9045, 10449, 12261, 13115, 14405, 14823, 16281, 17415, 20435, 23607, 24705, 25929, 27135, 36783, 39345, 43215, 52245, 61305, 70821, 74115, 77787, 81405, 110349, 118035, 129645, 175741, 183915, 212463, 233361, 331047, 354105, 388935, 527223, 551745, 637389, 700083, 878705, 993141, 1062315, 1166805, 1581669, 1655235, 2636115, 3186945, 3500415, 4745007, 4965705, 7908345, 14235021, 23725035, 42705063, 71175105, 213525315]

約数ペア:

[(1, 213525315), (3, 71175105), (5, 42705063), (9, 23725035), (15, 14235021), (27, 7908345), (43, 4965705), (45, 4745007), (61, 3500415), (67, 3186945), (81, 2636115), (129, 1655235), (135, 1581669), (183, 1166805), (201, 1062315), (215, 993141), (243, 878705), (305, 700083), (335, 637389), (387, 551745), (405, 527223), (549, 388935), (603, 354105), (645, 331047), (915, 233361), (1005, 212463), (1161, 183915), (1215, 175741), (1647, 129645), (1809, 118035), (1935, 110349), (2623, 81405), (2745, 77787), (2881, 74115), (3015, 70821), (3483, 61305), (4087, 52245), (4941, 43215), (5427, 39345), (5805, 36783), (7869, 27135), (8235, 25929), (8643, 24705), (9045, 23607), (10449, 20435), (12261, 17415), (13115, 16281), (14405, 14823)]